Java SE Embedded package for Synology NAS

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There is a lot of good Java software, but it’s difficult to get Java running on a NAS. I decided to do something about that, mainly to pave the way for a Serviio package that didn’t require a huge guide to install. In compliance with the Oracle EULA the Java binaries cannot be redistributed, so this package looks for the downloaded .tar.gz archive in the public shared folder on the NAS. The end user is required to register with Oracle to get the file, as you can see from the description below. I also added locale support to the underlying Linux since Java requires this for UTF-8 support when reading from the filesystem (DSM 4.3 later included this). Timezone support is also configured.

This package installs Java SE Embedded which is purposefully designed to run on low specification headless hardware. It should be noted that Synology Java Manager (only available on Intel products) is the full Java Runtime Environment, and consequently uses more RAM. By default you should use Java 8, unless the application you want to run specifically requires Java 7.

Please note that Oracle ceased maintaining Java 6 in 2012, so it should be considered a serious security vulnerability. The Java 6 package has been withdrawn from the package repository for this reason. If you need it to run a particular piece of software you may download it here for manual installation. Please also note that Oracle retired support for PowerPC CPUs following Java 8 Update 6, so the PowerPC package remains at that version.

Java Package

 

Instructions

  • In Synology DSM’s Package Center, click Settings and add my package repository:
    Add Package Repository
  • The repository will push its certificate automatically to the NAS, which is used to validate package integrity. Set the Trust Level to Synology Inc. and trusted publishers:
    Trust Level
  • Now browse the Community section in Package Center to install a Java SE Embedded package:
    Community-packages
    The repository only displays packages which are compatible with your specific model of NAS. If you don’t see Java Embedded in the list, then either your NAS model or your DSM version are not supported at this time.
  • If you have a multi-bay NAS, use the Shared Folder control panel to create a shared folder called public (it must be all lower case). On single bay models this is created by default. Assign it with Read/Write privileges for everyone.
  • Register with Oracle and download the appropriate version of Java SE Embedded for your CPU architecture and save in the public shared folder on your NAS. Note that to get any version of Java older than the current one you will need to follow the Oracle Java SE Embedded Downloads Archive link on that page. If in doubt, attempt to install the package first, and the error message will tell you which specific download version is required.
  • If you have trouble getting the Java archive recognised, try downloading it with a different web browser. Some browsers try to help by uncompressing the file, or renaming it without warning. I have tried to code around most of these behaviours. Use Firefox if all else fails.
 

Package scripts

For information, here are the package scripts so you can see what it’s going to do. You can get more information about how packages work by reading the Synology 3rd Party Developer Guide.

installer.sh

#!/bin/sh

#--------JAVA installer script
#--------package maintained at pcloadletter.co.uk

COMMENT="# Synology Java Package"
SYNO_CPU_ARCH="`uname -m`"
[ "`echo ${SYNO_CPU_ARCH} | cut -c1-7`" == "armv5te" ] && SYNO_CPU_ARCH="armv5tel"
#--------Synology switched Armada 370 systems from SoftFP to HardFP EABI for DSM 6.0
[ "${SYNOPKG_DSM_ARCH}" == "armada370" ] && [ ${SYNOPKG_DSM_VERSION_MAJOR} -gt 5 ] && SYNO_CPU_ARCH="armv7l-hflt"
[ "${SYNOPKG_DSM_ARCH}" == "armada375" ] && SYNO_CPU_ARCH="armv7l-hflt"
[ "${SYNOPKG_DSM_ARCH}" == "armada38x" ] && SYNO_CPU_ARCH="armv7l-hflt"
[ "${SYNOPKG_DSM_ARCH}" == "comcerto2k" ] && SYNO_CPU_ARCH="armv7l-hflt"
[ "${SYNOPKG_DSM_ARCH}" == "alpine" ] && SYNO_CPU_ARCH="armv7l-hflt"
[ "${SYNOPKG_DSM_ARCH}" == "alpine4k" ] && SYNO_CPU_ARCH="armv7l-hflt"
[ "${SYNOPKG_DSM_ARCH}" == "monaco" ] && SYNO_CPU_ARCH="armv7l-hflt"
[ "${SYNOPKG_DSM_ARCH}" == "x86_64" ] && [ "${WIZARD_JRE_EE}" == "true" ] && SYNO_CPU_ARCH="i686"
[ "${SYNOPKG_DSM_ARCH}" == "x86_64" ] && [ ${SYNOPKG_DSM_VERSION_MAJOR} -lt 6 ] && SYNO_CPU_ARCH="i686"

if [ "${SYNOPKG_PKGNAME}" == "java6" ]; then
  DOWNLOAD_URL="http://tinyurl.com/javaembedarchive"
  EXTRACTED_FOLDER="ejre1.6.0_38"
  JCE_BINARY="jce_policy-6.zip"
  JCE_URL="http://tinyurl.com/java-jce6"
  JCE_FOLDER="jce"
  if [ "`echo ${SYNO_CPU_ARCH} | cut -c1-7`" == "armv5te" ]; then
    JAVA_BINARY="ejre-1_6_0_38-fcs-b05-linux-arm-sflt-eabi-headless-13_nov_2012.tar.gz"
    JAVA_BUILD="ARMv5 Linux - Headless EABI"
  elif [ "${SYNO_CPU_ARCH}" == "armv7l" ]; then
    JAVA_BINARY="ejre-1_6_0_38-fcs-b05-linux-arm-vfp-eabi-headless-13_nov_2012.tar.gz"
    JAVA_BUILD="ARMv6/7 Linux - Headless EABI, VFP, SoftFP ABI, Little Endian"
  elif [ "${SYNO_CPU_ARCH}" == "i686" ]; then
    JAVA_BINARY="ejre-1_6_0_38-fcs-b05-linux-i586-headless-13_nov_2012.tar.gz"
    JAVA_BUILD="x86 Linux Small Footprint - Headless"
  elif [ "${SYNO_CPU_ARCH}" == "x86_64" ]; then
    JAVA_BINARY="ejre-1_6_0_38-fcs-b05-linux-i586-headless-13_nov_2012.tar.gz"
    JAVA_BUILD="x86 Linux Small Footprint - Headless"
  elif [ "${SYNO_CPU_ARCH}" == "ppc" ]; then
    JAVA_BINARY="ejre-1_6_0_38-fcs-b05-linux-ppc-e500v2-headless-13_nov_2012.tar.gz"
    JAVA_BUILD="Power Architecture Linux - Headless - e500v2 core"
  fi    

elif [ "${SYNOPKG_PKGNAME}" == "java7" ]; then
  DOWNLOAD_URL="http://tinyurl.com/javaembed"
  EXTRACTED_FOLDER="ejre1.7.0_75"
  JCE_BINARY="UnlimitedJCEPolicyJDK7.zip"
  JCE_URL="http://tinyurl.com/java-jce7"
  JCE_FOLDER="UnlimitedJCEPolicy"
  if [ "${SYNO_CPU_ARCH}" == "armv5tel" ]; then
    JAVA_BINARY="ejre-7u75-fcs-b13-linux-arm-sflt-headless-18_dec_2014.tar.gz"
    JAVA_BUILD="ARMv5 Linux - Headless EABI, SoftFP ABI, Little Endian"
  elif [ "${SYNO_CPU_ARCH}" == "armv7l" ]; then
    JAVA_BINARY="ejre-7u75-fcs-b13-linux-arm-vfp-sflt-client_headless-18_dec_2014.tar.gz"
    JAVA_BUILD="ARMv6/7 Linux - Headless - Client Compiler EABI, VFP, SoftFP ABI, Little Endian"
  elif [ "${SYNO_CPU_ARCH}" == "armv7l-hflt" ]; then
    JAVA_BINARY="ejre-7u75-fcs-b13-linux-arm-vfp-hflt-client_headless-18_dec_2014.tar.gz"
    JAVA_BUILD="ARMv6/7 Linux - Headless - Client Compiler EABI, VFP, HardFP ABI, Little Endian"
  elif [ "${SYNO_CPU_ARCH}" == "i686" ]; then
    JAVA_BINARY="ejre-7u75-fcs-b13-linux-i586-headless-18_dec_2014.tar.gz"
    JAVA_BUILD="x86 Linux Small Footprint - Headless"  
  elif [ "${SYNO_CPU_ARCH}" == "x86_64" ]; then
    JAVA_BINARY="ejre-7u75-fcs-b13-linux-i586-headless-18_dec_2014.tar.gz"
    JAVA_BUILD="x86 Linux Small Footprint - Headless"  
  elif [ "${SYNO_CPU_ARCH}" == "ppc" ]; then
    JAVA_BINARY="ejre-7u75-fcs-b13-linux-ppc-e500v2-headless-18_dec_2014.tar.gz"
    JAVA_BUILD="Power Architecture Linux - Headless - e500v2 with double-precision SPE Floating Point Unit"
  fi

elif [ "${SYNOPKG_PKGNAME}" == "java8" ]; then
  DOWNLOAD_URL="http://tinyurl.com/javaembed"
  EXTRACTED_FOLDER="ejdk1.8.0_211"
  JCE_BINARY="jce_policy-8.zip"
  JCE_URL="http://tinyurl.com/java-jce8"
  JCE_FOLDER="UnlimitedJCEPolicyJDK8"
  if [ "${SYNO_CPU_ARCH}" == "armv5tel" ]; then
    JAVA_BINARY="ejdk-8u211-linux-arm-sflt.tar.gz"
    JAVA_BUILD="ARMv5/ARMv6/ARMv7 Linux - SoftFP ABI, Little Endian 2"
  elif [ "${SYNO_CPU_ARCH}" == "armv7l" ]; then
    JAVA_BINARY="ejdk-8u211-linux-arm-sflt.tar.gz"
    JAVA_BUILD="ARMv5/ARMv6/ARMv7 Linux - SoftFP ABI, Little Endian 2"
  elif [ "${SYNO_CPU_ARCH}" == "armv7l-hflt" ]; then
    JAVA_BINARY="ejdk-8u211-linux-armv6-vfp-hflt.tar.gz"
    JAVA_BUILD="ARMv6/ARMv7 Linux - VFP, HardFP ABI, Little Endian 1"
  elif [ "${SYNO_CPU_ARCH}" == "aarch64" ]; then
    JAVA_BINARY="jdk-8u211-linux-arm64-vfp-hflt.tar.gz"
    JAVA_BUILD="Linux ARM 64 Hard Float ABI"
    DOWNLOAD_URL="http://tinyurl.com/java8arm64"
    EXTRACTED_FOLDER="jdk1.8.0_211"
  elif [ "${SYNO_CPU_ARCH}" == "i686" ]; then
    JAVA_BINARY="ejdk-8u211-linux-i586.tar.gz"
    JAVA_BUILD="x86 Linux Small Footprint - Headless"
  elif [ "${SYNO_CPU_ARCH}" == "x86_64" ]; then
    JAVA_BINARY="jre-8u211-linux-x64.tar.gz"
    JAVA_BUILD="Linux x64"
    EXTRACTED_FOLDER="jre1.8.0_211"
    DOWNLOAD_URL="http://tinyurl.com/java8x64"
  elif [ "${SYNO_CPU_ARCH}" == "ppc" ]; then
    #Oracle have discontinued Java 8 for PowerPC after update 6
    JAVA_BINARY="ejdk-8u6-fcs-b23-linux-ppc-e500v2-12_jun_2014.tar.gz"
    JAVA_BUILD="Power Architecture Linux - Headless - e500v2 with double-precision SPE Floating Point Unit"
    EXTRACTED_FOLDER="ejdk1.8.0_06"
  fi
fi

JAVA_BINARY=`echo ${JAVA_BINARY} | cut -f1 -d'.'`
PUBLIC_FOLDER="`synoshare --get public | sed -r "/Path/!d;s/^.*\[(.*)\].*$/\1/"`"
TEMP_FOLDER="`find / -maxdepth 2 -path '/volume?/@tmp' | head -n 1`"
NATIVE_BINS_URL="http://packages.pcloadletter.co.uk/downloads/java-native-${SYNO_CPU_ARCH}.tar.xz"
NATIVE_BINS_FILE="`echo ${NATIVE_BINS_URL} | sed -r "s%^.*/(.*)%\1%"`"
#DSM versions older than 4.3 need locale support adding, don't download unless needed
[ ! -e /usr/bin/locale ] && INSTALL_FILES="${NATIVE_BINS_URL}"
source /etc/profile


preinst ()
{
  synoshare -get public > /dev/null || (
    echo "A shared folder called 'public' could not be found - note this name is case-sensitive. " >> $SYNOPKG_TEMP_LOGFILE
    echo "Please create this using the Shared Folder DSM Control Panel and try again." >> $SYNOPKG_TEMP_LOGFILE
    exit 1
  )

  JAVA_BINARY_FOUND=

  if [ -n "${JAVA_HOME}" ]; then
    echo "It seems from /etc/profile that a Java Runtime is already installed at ${JAVA_HOME}. Uninstall it and try again." >> $SYNOPKG_TEMP_LOGFILE
    exit 1
  fi
  
  [ -f ${PUBLIC_FOLDER}/${JAVA_BINARY}.tar.gz ] && JAVA_BINARY_FOUND=true
  [ -f ${PUBLIC_FOLDER}/${JAVA_BINARY}.tar ] && JAVA_BINARY_FOUND=true
  [ -f ${PUBLIC_FOLDER}/${JAVA_BINARY}.tar.tar ] && JAVA_BINARY_FOUND=true
  [ -f ${PUBLIC_FOLDER}/${JAVA_BINARY}.gz ] && JAVA_BINARY_FOUND=true
  
  if [ -z ${JAVA_BINARY_FOUND} ]; then
    echo "Java binary bundle not found. " >> $SYNOPKG_TEMP_LOGFILE
    echo "I was expecting the file ${PUBLIC_FOLDER}/${JAVA_BINARY}.tar.gz. " >> $SYNOPKG_TEMP_LOGFILE
    echo "Please agree to the Oracle licence at ${DOWNLOAD_URL}, then download the '${JAVA_BUILD}' package" >> $SYNOPKG_TEMP_LOGFILE
    echo "and place it in the 'public' shared folder on your NAS. This download cannot be automated even if " >> $SYNOPKG_TEMP_LOGFILE
    echo "displaying a package EULA could potentially cover the legal aspect, because files hosted on Oracle's " >> $SYNOPKG_TEMP_LOGFILE
    echo "server are protected by a session cookie requiring a JavaScript enabled browser." >> $SYNOPKG_TEMP_LOGFILE
    exit 1
  fi

  if [ "${WIZARD_JCE_UL}" == "true" ]; then
    if [ ! -f ${PUBLIC_FOLDER}/${JCE_BINARY} ]; then
      echo "JCE Unlimited Strength binary bundle not found. " >> $SYNOPKG_TEMP_LOGFILE
      echo "I was expecting the file ${PUBLIC_FOLDER}/${JCE_BINARY} " >> $SYNOPKG_TEMP_LOGFILE
      echo "Please agree to the Oracle licence at ${JCE_URL}, then download the Unlimited Strength Jurisdiction Policy Files zip file " >> $SYNOPKG_TEMP_LOGFILE
      echo "and place it in the 'public' shared folder on your NAS. " >> $SYNOPKG_TEMP_LOGFILE
      exit 1
    fi    
  fi    

  cd ${TEMP_FOLDER}
  for WGET_URL in ${INSTALL_FILES}
  do
    WGET_FILENAME="`echo ${WGET_URL} | sed -r "s%^.*/(.*)%\1%"`"
    [ -f ${TEMP_FOLDER}/${WGET_FILENAME} ] && rm ${TEMP_FOLDER}/${WGET_FILENAME}
    wget ${WGET_URL}
    if [[ $? != 0 ]]; then
      if [ -d ${PUBLIC_FOLDER} ] && [ -f ${PUBLIC_FOLDER}/${WGET_FILENAME} ]; then
        cp ${PUBLIC_FOLDER}/${WGET_FILENAME} ${TEMP_FOLDER}
      else     
        echo "There was a problem downloading ${WGET_FILENAME} from the official download link, " >> $SYNOPKG_TEMP_LOGFILE
        echo "which was \"${WGET_URL}\" " >> $SYNOPKG_TEMP_LOGFILE
        echo "Alternatively, you may download this file manually and place it in the 'public' shared folder. " >> $SYNOPKG_TEMP_LOGFILE
        exit 1
      fi
    fi
  done
  
  exit 0
}


postinst ()
{
  WORKING_DIR=`pwd`
  
  #ldd tool is very useful but not included in DSM
  if [ ! -e /usr/local/bin/ldd ]; then
    mkdir -p /usr/local/bin
    cp ${SYNOPKG_PKGDEST}/tools/ldd-${SYNO_CPU_ARCH} /usr/local/bin/ldd
  fi

  #extract native binaries if needed
  if [ -e ${TEMP_FOLDER}/${NATIVE_BINS_FILE} ]; then
    cd ${SYNOPKG_PKGDEST}
    #older DSM tar uses different command line switch for xz archives
    tar xJf ${TEMP_FOLDER}/${NATIVE_BINS_FILE} || tar xaf ${TEMP_FOLDER}/${NATIVE_BINS_FILE}
    rm ${TEMP_FOLDER}/${NATIVE_BINS_FILE}
  fi

  #extract Java (Web browsers love to interfere with .tar.gz files)
  cd ${PUBLIC_FOLDER}
  if [ -f ${JAVA_BINARY}.tar.gz ]; then
    #Firefox seems to be the only browser that leaves it alone
    tar xzf ${JAVA_BINARY}.tar.gz
  elif [ -f ${JAVA_BINARY}.gz ]; then
    #Chrome
    tar xzf ${JAVA_BINARY}.gz
  elif [ -f ${JAVA_BINARY}.tar ]; then
    #Safari
    tar xf ${JAVA_BINARY}.tar
  elif [ -f ${JAVA_BINARY}.tar.tar ]; then
    #Internet Explorer
    tar xzf ${JAVA_BINARY}.tar.tar
  fi

  #install Java
  if [ "${EXTRACTED_FOLDER}" != "${EXTRACTED_FOLDER/jdk/}" ]; then
    mv ${EXTRACTED_FOLDER} ${SYNOPKG_PKGDEST}
    JRE_PATH="`find ${SYNOPKG_PKGDEST}/${EXTRACTED_FOLDER} -name jre`"
  else
    mv ${EXTRACTED_FOLDER} ${SYNOPKG_PKGDEST}/jre
    JRE_PATH="${SYNOPKG_PKGDEST}/jre"
  fi

  #install unlimited crypto policy files if requested
  if [ "${WIZARD_JCE_UL}" == "true" ]; then
    if [ -e /usr/bin/7z ]; then
      7z x ${JCE_BINARY} > /dev/null 2>&1
    else
      unzip ${JCE_BINARY} 
    fi
    mv ${JCE_FOLDER}/* ${JRE_PATH}/lib/security
    rmdir ${JCE_FOLDER}
  fi  

  #change owner of folder tree
  chown -R root:root ${SYNOPKG_PKGDEST}

  echo "NOTE - This package does *not* start and stop like other packages. " >> $SYNOPKG_TEMP_LOGFILE
  echo "Java is correctly installed if you can see the runtime and HotSpot version numbers, " >> $SYNOPKG_TEMP_LOGFILE
  echo "and locale information in the package Log tab." >> $SYNOPKG_TEMP_LOGFILE
  
  exit 0
}


preuninst ()
{
  exit 0
}


postuninst ()
{
  #clean up profile mods
  sed -i "/${COMMENT}/d" /etc/profile
  sed -i "/${COMMENT}/d" /root/.profile

  #leave locale support in place on older DSM versions - too risky to delete system binaries
  
  exit 0
}
 

start-stop-status.sh

#!/bin/sh

JRE_PATH="`find /var/packages/${SYNOPKG_PKGNAME}/target/ -name jre`"
COMMENT="# Synology Java Package"
#set the current timezone for Java so that log timestamps are accurate, modern timezone names so DST works
SYNO_TZ=`cat /etc/synoinfo.conf | grep timezone | cut -f2 -d'"'`
#fix for DST time in DSM 5.2 thanks to MinimServer Syno package author
[ -e /usr/share/zoneinfo/Timezone/synotztable.json ] \
 && SYNO_TZ=`jq ".${SYNO_TZ} | .nameInTZDB" /usr/share/zoneinfo/Timezone/synotztable.json | sed -e "s/\"//g"` \
 || SYNO_TZ=`grep "^${SYNO_TZ}" /usr/share/zoneinfo/Timezone/tzname | sed -e "s/^.*= //"`

EnvCheck ()
#updates to DSM will reset these changes so check them each startup 
{
  #/etc/profile should contain 5 lines added by this package tagged with trailing comments
  COUNT=`grep -c "$COMMENT$" /etc/profile`
  if [ $COUNT != 5 ]; then

    #remove any existing mods
    sed -i "/${COMMENT}/d" /etc/profile

    #add required environment variables
    echo "PATH=\$PATH:${JRE_PATH}/bin ${COMMENT}" >> /etc/profile
    echo "JAVA_HOME=${JRE_PATH} ${COMMENT}" >> /etc/profile
    echo "CLASSPATH=.:${JRE_PATH}/lib ${COMMENT}" >> /etc/profile
    echo "LANG=en_US.utf8 ${COMMENT}" >> /etc/profile
    echo "export CLASSPATH JAVA_HOME LANG PATH ${COMMENT}" >> /etc/profile
  fi

  #/root/.profile should contain 3 lines added by this package tagged with trailing comments
  COUNT=`grep -c "$COMMENT$" /root/.profile`
  if [ $COUNT != 3 ]; then

    #remove any existing mods
    sed -i "/${COMMENT}/d" /root/.profile

    #add required environment variables
    echo "PATH=\$PATH:${JRE_PATH}/bin ${COMMENT}" >> /root/.profile
    echo "TZ='${SYNO_TZ}' ${COMMENT}" >> /root/.profile
    echo "export PATH TZ ${COMMENT}" >> /root/.profile
  fi

  #timezone needs setting each startup in case system value has changed
  sed -i "s%^TZ=.* ${COMMENT}%TZ='${SYNO_TZ}' ${COMMENT}%" /root/.profile

  #DSM versions older than 4.3 need locale support adding
  if [ ! -e /usr/bin/locale ]; then

    #build missing locale with UTF-8 support (don't think it matters which language)
    cp ${SYNOPKG_PKGDEST}/bin/* /usr/bin
    cp -R ${SYNOPKG_PKGDEST}/share/i18n /usr/share
    if [ ! -d /usr/lib/locale ]; then
      mkdir /usr/lib/locale
    fi
    localedef -c -f UTF-8 -i en_US en_US.utf8
  fi

  #DSM versions up to 5.1 are missing the zoneinfo timezone definitions which causes inaccurate log timestamps
  #thanks to CoolRaoul here: http://forum.synology.com/enu/viewtopic.php?f=19&t=69232#p310553
  #to revert, just remove everything apart from 'Timezone' 'zone.tab' from /usr/share/zoneinfo
  if [ ! -e /usr/share/zoneinfo/Europe/London ]; then
    cp -R ${SYNOPKG_PKGDEST}/zoneinfo/* /usr/share/zoneinfo/
  fi

}

case $1 in
  start)
    EnvCheck
    source /etc/profile
    source /root/.profile

    #evidence of whether Java can start successfully is written to the package log
    java -version > ${SYNOPKG_PKGDEST}/output.log 2>&1
    echo >> ${SYNOPKG_PKGDEST}/output.log
    echo System installed locales: >> ${SYNOPKG_PKGDEST}/output.log
    locale -a >> ${SYNOPKG_PKGDEST}/output.log
    echo >> ${SYNOPKG_PKGDEST}/output.log
    echo JAVA_HOME=$JAVA_HOME >> ${SYNOPKG_PKGDEST}/output.log
    echo TZ=$TZ >> ${SYNOPKG_PKGDEST}/output.log

    exit 0
  ;;

  stop)
    exit 0
  ;;

  status)
    source /etc/profile
    source /root/.profile
    if [ -e "${JAVA_HOME}/bin/java" ]; then
      exit 0
    else
      exit 1
    fi
  ;;

  log)
    echo "${SYNOPKG_PKGDEST}/output.log"
    exit 0
  ;;

esac
 

install_uifile

[
  {
    "step_title": "Java Runtime Environment Selection",
    "items": [
      {
        "type": "singleselect",
        "desc": "Please select the Java version to install:",
        "subitems": [
          {
            "key": "WIZARD_JRE_EE",
            "desc": "Java SE Embedded 8 (smaller memory footprint, 32bit)",
            "defaultValue": true
          },
          {
            "key": "WIZARD_JRE_SE",
            "desc": "Java SE 8 (64bit)",
            "defaultValue": false
          }
        ]
      }
    ]
  },
  {
    "step_title": "Java Cryptography Strength Selection",
    "items": [
      {
        "type": "singleselect",
        "desc": "Please select Java Cryptographic Extension policy:",
        "subitems": [
          {
            "key": "WIZARD_JCE_STD",
            "desc": "Default Strong JCE policy - limited to AES-128 encryption",
            "defaultValue": true
          },
          {
            "key": "WIZARD_JCE_UL",
            "desc": "Unlimited Strength JCE policy - not permitted in some jurisdictions, see Oracle documentation",
            "defaultValue": false
          }
        ]
      }
    ]
  }
]
 

Changelog:

  • 0050 17/Apr/19 – Updated to Java 8u211, added support for DS119j
  • 0049 11/Apr/19 – Updated to Java 8u201, fixed issue where x86_64 CPUs would ignore user selection and always install 64bit Java SE
  • 0048 22/Aug/18 – Updated to Java 8u181, added option to select 64bit full Java SE for x86_64 CPUs
  • 0047 14/May/18 – Updated to Java 8u171
  • 0046 20/Feb/18 – Updated to Java 8u161, experimental aarch64 support
  • 0045 30/Oct/17 – Updated to Java 8u151, added support for new CPUs in x17 and x18 models
  • 0044 02/Aug/17 – Updated to Java 8u144
  • 0043 21/Jan/17 – Updated to Java 8u121
  • 0042 07/Jan/17 – Updated to Java 8u111, fixed Armada 370/XP systems running DSM 6.0 which had switched from soft to hard float ABI
  • 0041 25/Jul/16 – Added support for unlimited strength cryptography (default is strong)
  • 0040 20/Jul/16 – Updated to Java 8u101
  • 0039 26/Apr/16 – Updated to Java 8u91
  • 0038 24/Mar/16 – Updated to Java 8u77
  • 0037 07/Feb/16 – Updated to Java 8u73
  • 0036 26/Jan/16 – Updated to Java 8u71
  • 0035 14/Dec/15 – Updated to Java 8u65, added support for models DS716+ and DS216play
  • 0034 19/Aug/15 – Fixed timezone DST issue with DSM 5.2, added support for DS215+
  • 0033 07/Aug/15 – Updated to Java 8u51, PowerPC build remains at 8u6
  • 0032 13/Jul/15 – Fixed timezone issue with DSM 5.2, updated main blog post documentation
  • 0031 25/Jan/15 – Fixed issue with version 0030 for systems with more than one volume
  • 0030 21/Jan/15 – Improved temp folder detection, updated to Java 7u75 and Java 8u33 (Oracle did not publish a version for PowerPC)
  • 0029 25/Dec/14 – DSM timezone zone.tab file is no longer overwritten, which had been prompting a malware alert in DSM 5.1 Security Advisor
  • 0028 20/Oct/14 – Updated to Java 7u71, added missing zoneinfo timezone definitions to fix inaccurate timestamps for non-GMT timezones (checked every startup), switched native binary archives from .tgz to .tar.xz format to reduce size
  • 0027 18/Oct/14 – Updated Java 8 to 8u6, added support for Mindspeed Comcerto 2000 CPU in DS414j for Java 7 and Java 8
  • 0026 24/Jun/14 – DSM updates will no longer break Java
  • 0025 31/May/14 – Updated to Java 7u60
  • 0024 31/May/14 – Updated to Java 7u55
  • 0023 27/May/14 – Added Java 8 support
  • 0022 30/Jan/14 – Updated to Java 7u51
  • 0021 15/Nov/13 – Locale support is no longer downloaded and added to DSM 4.3 or newer since it’s already present
  • 0020 30/Oct/13 – Added support for Intel Atom Evansport and Armada XP CPUs in new DSx14 products, removed Early Access JDK 8 support since it did not run on the Armada SoCs
  • 0019 17/Oct/13 – Updated to Java 7u45
  • 0018 11/Oct/13 – Updated to Java 7u40, and JDK8 Early Access b106
  • 0017 05/Jun/13 – For Armada370 CPU changed from ARMv7 Server JVM to Client JVM since the Server one turned out to be unstable. Added support for Early Access JDK 8 for Armada 370.
  • 0016 21/May/13 – Added Armada370 CPU support (DS213j)
  • 0015 18/Apr/13 – Updated to Java 7u21, Java 6 Embedded seems to be no longer maintained by Oracle
  • 0014 13/Feb/13 – Fixed metadata for DSM 4.2 Package Center
  • 013 13/Dec/12 – Updated to Java 6u38 and Java 7u10
  • 012 10/Dec/12 – Installer script fetches native binaries separately to reduce bandwidth on repo hosting
  • 011 Added support for Freescale QorIQ PowerPC CPUs used in some Synology x13 series products, PowerQUICC PowerPC processors in previous Synology generations with older glibc versions are not supported
  • 010 updated to Java 6u34 and Java 7u6
  • 009 corrected timezone bug for Atlantic and Pacific timezones which may have caused error messages when in fact the package had installed correctly
  • 008 unified the build scripts
  • 007 included the locale binaries to simplify installation, fixed environment variables for root user (inc. timezone with DST support), displayed Java version information and env vars in Log tab, incremented Java to latest versions 6u32 and 7u4, fixed detection of renamed .tar.gz archives downloaded by Google Chrome
  • 006 fixed path issue for root user on non-bootstrapped systems, updated info link to refer back to this page, and improved description text
  • 005 incremented JRE versions to match new releases from Oracle
  • 004 forced check for existence of ‘public’ shared folder
  • 003 fixed a stupid typo that stopped 002 from working :)
  • 002 rewrote scripts to be easier to maintain, and to allow for web browsers that untar or rename the Java and toolchain binary bundles as they’re saved
  • 001 23/Aug/11 – fixed package repo support, defined as a non-runnable service, prevented more than one JRE being installed, saved files into actual package folder rather than @appstore/java now that package names can be separate from Package Center display names
  • v3 initial spk release (I think!)
 
 

1,229 thoughts on “Java SE Embedded package for Synology NAS”

  3. Tim's avatarTim

    Trying to get this running on a Synology 212j with DSM 5.1. My public folder is empty, I’ve added the repo, and when I attempt to install Java SE Embedded 7 I just get the error message “Failed to install “Java SE Embedded 7.” But no other info like which package I should upload to the public folder. I’ve tried all the current ARM headless packages and nothing seems to be working. Any thoughts? Is it because of DSM 5.1?

    Reply ↓
      1. patters's avatarpatters Post author

        The CrashPlan and Java packages are now signed by Synology with my key, and my repo is currently pushing this key (see it in Certificates tab of Package Center Settings). So once all my packages have been signed I advise you set the trust level to “Synology Inc. and Trusted Publishers”.

      2. Bram Vandenbussche (@vandenbusschebr)'s avatarBram Vandenbussche (@vandenbusschebr)

        Can’t reply on the answer of patters belwu, but you should mention this in the description. It’s kind of obvious that you need to allow the installer to actually install, but I didn’t know this setting existed and therefor lost an hour trying to figure out why it didn’t work. Or perhaps improve the error message ?

  4. don's avatardon

    hi Patters
    so pb starting to try the install of java 6 for a Ds415+ (intel atom)…
    1) using DSM 5.1-5022 Update 2
    2) activation of “service d’accueil utisisateur” in user menu – advanced (should be the user home service)
    3) creation of public folder (admin user has all access)
    4) download of jre 6 for intel, name same as in your script ejre-1_6_0_38-fcs-b05-linux-i586-headless-13_nov_2012.tar.gz
    5) adding your url for custom packets downloads
    6) click on java6 icon for install
    it recognize the package, but when i click apply, i have the error: “echec de l’installation de java se embedded 6”
    Do you have an idea or am I doing wrong somewhere?
    thank’s!

    Reply ↓
  5. don's avatardon

    ok consider i solved my java installation pb :)
    now facing a pb of error loading serviio console: error
    i put my nas ip into the vmoptions file, could see the homepage by hitting the mediabrowser directly on the nas
    trying the console version 1.4.1.2 instead last one 1.5
    edit during post reply: ok with 1.4.1.2 :)
    so consider forget me!
    regards

    Reply ↓

  6. Pingback: JIRA Installation on Synolgy NAS – Part 1 – Introduction | Evan Laske

  7. KipiK's avatarKipiK

    Hello Patters,
    Thank you for this superpackage, it saves my life on a daily basis ! Just one question: do you advise to go to java 8 instead of 7, appart from the security point of view, is java 8 less hungry in terms of memory ?

    Reply ↓
  8. Rick Denatale's avatarRick Denatale

    Hi,

    I’m having problems installing the Java 8 version of the package.

    I can’t seem to find the right oracle download. I’ve tried several and keep getting told that the file format is invalid when I try to install the package.

    Also I was wondering if it’s possible to install Java 8 and still have Java 7 installed via the Synology Java Manager, since I think some other packages (Crashplan for example) don’t like Java 8. I’m trying to run both Crashplan and filebot.

    Reply ↓
  9. Allan Clearwaters's avatarAllan Clearwaters

    Hi – I am attempting to install on a DS415play running 5.01. I download and put into the public directory ejre-7u75-fcs-b13-linux-i586-headless-18_dec_2014.tar.gz but it is not recognized. I’ve followed the instuctions to the letter – where else might I look. Its the same for a JRE6 or 7 installation. Thanx — Al

    Reply ↓
  10. edgar's avataredgar

    Thnx for putting this up, I used it to install a minecraft server for my nephew. One question though: How can I start Java8 from the taskmanager on the Synolgy NAS eg create a task to launch java and the server.jar

    Reply ↓
  12. Robert Heuser's avatarRobert Heuser

    Hi,

    I am using DSM 4.2 on a Synology DS 209 II, but I am unable to see the Java packaghes when I add them to the package center. I would like to install them for a Minecraft server for my son. Can you give me advise?

    Reply ↓
  13. Ben's avatarBen

    Hello,
    thank you for your work.
    Sadly i am not successful in installing Java.

    I tried to install either Java SE Embedded 7 or 8 on my DS215j. After installation the protocol says “start-stop-status.sh: line 28: java: not found”

    Installing further packages end in the error “Java_Home not defined”

    Do you have any suggestion how to solve this problem?

    Thanks a lot,
    Ben

    Reply ↓
  14. Olivier's avatarOlivier

    Hi there,

    I read in your explanation that “I also added locale support to the underlying Linux since Java requires this for UTF-8 support when reading from the filesystem.”.
    Could you be more specific on this ? (howto :-p )

    I actually am struggling with a crashplan install on a freeNas. Crashplan works but it has problem with non POSIX character sets (it actually ignores accentuated filenames). After some long research i believe the problem comes from the java itself (running on some linux compatibility layer) and stumbled on this post.

    For the moment the java version used is linux-sun-jre1.7.0

    Tx !

    Reply ↓
  15. Simon's avatarSimon

    Hi there. Want to say thanks for your work on this package. Happily restoring from backup of a dead computer to my new NAS.

    Reply ↓
  16. John Davis's avatarJohn Davis

    I am also trying to install on DSM 4.2 on a DS 509+. I added your repo, but only see craftbukkit, minecraft and openremote packages–no crashplan or java. Can you help me?

    Reply ↓
  17. g8r87trp92's avatarg8r87trp92

    I updated to DSM 5.2 today and cannot get CrashPlan to run. Usually this is resolved by reinstalling Java 8 and the CrashPlan package. However, this time no luck. It appears that CrashPlan starts, but then attempts (unsuccessfully) to download and install an upgrade, then comes to a complete halt. Log screenshot (or link to image) is below. Any suggestions for resolving this?

    Reply ↓
  19. Kevin's avatarKevin

    I’m having the same problem. My DS1513 updated to the latest DSM today and now Crash Plan won’t stay running. I’ve reinstall Java 7u75 and Crashplan but no luck. Any ideas?

    Reply ↓
  20. Steve Reynolds's avatarSteve Reynolds

    So there is no way to get java 7+ on my DS 412+???? From your updates it seems as if I can have Java 8 on my DS412 intel processor. Or am I still limited because of my NAS

    Reply ↓
  21. Vincent Ferreux's avatarVincent Ferreux

    Hi Patters,

    Since DSM5.2, I think there is a timezone TZ problem, applications running with Java are 2 hours late (Openhab, here in France)
    It seems it comes from there in start-stop-status.sh :

    SYNO_TZ=`grep “^${SYNO_TZ}” /usr/share/zoneinfo/Timezone/tzname | sed -e “s/^.*= //”`

    tzname doesn’t exist anymore, replaced by tzlist.

    Possible ?

    Thanks for the good job,

    Regards,

    —
    Veance

    Reply ↓
      1. ussohio's avatarussohio

        I had the same issue, with my times being ~6-7 hours off (can’t remember, I’m in CDT). The Java package install didn’t have any value in it’s log for TZ=
        I manually made the change suggested above. When SSHed into my Synology, the “date” command shows the proper date & time. However, CrashPlan thinks the time is 1 hour earlier than the actual time (i.e. 8PM instead of 9PM). Any idea what I goofed up?

    2. carsten's avatarcarsten

      Hi, I have the same issue, Openhab is 2 hours behind. Any fix for this available so far?

      Reply ↓
      1. carsten's avatarcarsten

        I adjusted the start-stop-status.sh as described and replaced “tzname” by “tzlist” – anyway openhab is one hour behind, it seems that the daylight saving time is not considered, via osgi console I always get “GMT+1” for TZ String = “CET-1CEST,M3.5.0,M10.5.0/3″ (I also entered SYNO_TZ=”CET-1CEST,M3.5.0,M10.5.0/3” as fixed value in the start script – any idea what might cause Java not to calculate DST time correctly?

  22. jmuk10's avatarjmuk10

    Tried to install version,6,7 and 8 but none worked on Synology DS413….got similar errors from all attempts.

    “Failed to install “Java SE Embedded 8″.
    Java binary bundle not found. automated even if displaying EULA could potentially cover the legal aspect, because file hosted on Oracle’s server are protected by cookie requiring a JavaScript enabled browser.”

    Any ideas how I can resolve this?

    Reply ↓
    1. Olivier Greoli's avatarOlivier Greoli

      I got the same issue on DS214, the shared folder named “public” was missing
      I’ve just created it, upload the java package on public shared folder and tadam ! It worked…

      Reply ↓
  23. Marc Wilson's avatarMarc Wilson

    So in reading the changelog for the package, it’s no longer necessary to re-install it when DSM updates? DSM 5 has locale support built in? I’m a little vague on how to *re-install* a package, unless it’s remove it and install it again.

    Reply ↓
  25. NG's avatarNG

    Hv alert in DS413 that there is a 1.7.0_75-0032 JAVA SE Embedded 7 available, but cannot find in Oracle site for d/l. Please kindly advise.

    Reply ↓
  26. Johnny_P's avatarJohnny_P

    Timezone issue might be affecting me too. Even though Crashplan is running on my Syno Ds413, I’m unable to connect to it from my client – Unable to Connect To Backup Engine

    Reply ↓
    1. patters's avatarpatters Post author

      I have updated the What’s New notification in Package Center to remind everyone to look at the updated blog post instructions – there’s a new requirement for the CrashPlan 4.3 client. Without this extra configuration it will fail to connect.

      Reply ↓
  28. Marc Wilson's avatarMarc Wilson

    Well, let me clarify that… I applied the latest CrashPlan pacakge, and then CP started posting log entries that made it look like the timezone was screwed. So I updated the Java package, and now the log thinks I’m a hour behind what the clock actually is.

    The Synology itself has the right date and time.

    Do I need to download a new Java binary from Oracle when updating the package? It didn’t tell me to, and didn’t ask to put it in the public share, either.

    Reply ↓
    1. patters's avatarpatters Post author

      No, there’s no need for a new Java. It was an issue with an environment variable. My CrashPlan is also one hour out. Which timezone are you actually in?

      Reply ↓
      1. Marc Wilson's avatarMarc Wilson

        I’m in PST8PDT. California. I have the latest version of your Java 7 and CrashPlan packages installed.

        It works, just all the log entries are a hour off.

  29. Marc Wilson's avatarMarc Wilson

    @ussohio

    Did you find a resolution? Mine is *populating* the TZ variable correctly with ‘PST8PDT’, but I’m still one hour behind in the CrashPlan log.

    @carsten’s comment above also seems relevant.

    Thanks.

    Reply ↓
    1. ussohio's avatarussohio

      Resolution? I’m not a Java (or a Linux) expert. I worked around it by moving all my times an hour. :) I did, however, uninstall Java 7 on my DS213 and install Java 8. It didn’t change anything. This is what I currently have:

      Java 1.8.0_33 from patters (THANKS!!!), using Java SE build 1.8.0_33-b05, headless
      TZ=CST6CDT,M3.2.0,M11.1.0
      CrashPlan 4.3.0-0033 from patters (THANKS AGAIN!!!)

      SSH’ing into my DS213 and issuing the ‘date’ command gives me the correct time:
      Mon Jul 13 20:01:41 CDT 2015

      Starting the CrashPlan package shows me the Java/CrashPlan time:
      7/13/15 7:01 PM CrashPlan started, version 4.3.0, GUID xyz….

      If somebody has an idea to try, I’m all ears. I think everything will resolve itself in the fall (I’m sure this is daylight savings time related) and reoccur in the spring. :)

      Reply ↓
  30. Bogdan's avatarBogdan

    Problem, the latest package from Oracle is ejdk-8u51-linux-i586.gz

    The Java 8 installer search for another file – 8u33 –

    Even after renaming the file, it does not work!

    Reply ↓
  31. Christian's avatarChristian

    I’ve just updated the Java 8 package and I cannot make it “Run” it. It status remains at “Stopped” in package manager. When I try to update ChrasPlan to the latest, it tells me that Java is not installed or properly configured. I tried to reinstall the Java 8 and rebooting the NAS with no success. What should I do next?

    Reply ↓
    1. Christian's avatarChristian

      Ok I fixed this by downloading again the JDK from Oracle, reinstalling the Java 8 package and now the status shows “Running”. I have also been able to update CrashPlan normally.

      Reply ↓
  32. Dirtboy's avatarDirtboy

    I can’t get this to install, and looking at the scripts it appears you are expecting a tar.gz file, but Oracle is only offering .gz for me to download. I tried on Java 7 and 8 and it is the same for both.

    Reply ↓
    1. patters's avatarpatters Post author

      Use Firefox. All the other browsers try to un-gzip or rename the file. My script ought to catch a lot of these, but if you’re having trouble use Firefox.

      Reply ↓
  33. Carlos's avatarCarlos

    After updating to CrashPlan 4.3.0 on my Mac, the client gets stuck in the loading screen. DSM as well as Java & CrashPlan app are up to date.

    Reply ↓
    1. patters's avatarpatters Post author

      Yes but Oracle discontinued PowerPC support after update 6, so you need to look for the download in the archive section from the download page.

      Reply ↓
  35. Markus Eyrich's avatarMarkus Eyrich

    @patters, can i somehow contact you? I would be interested in my own SPK Repository Server and it seem’s there’s not much around.

    Reply ↓
  36. Allen Lam's avatarAllen Lam

    Hi, I got a problem when I tried to add the repository. I followed your instruction to add but got the “invalid location” error. Could you please kindly help to resolve the problem? Thanks.

    Reply ↓
  37. Dimitare Nedeltchev's avatarDimitare Nedeltchev

    Hello, I get an update for the Java SE 0033 to update to 0034. Clicking on the update button says that I need to uninstall the old before I can install the new version. Would this break CrashPlan? Or the more appropriate question is, how does one upgrade safely without having to uninstall and reinstall the whole CrashPlan setup?

    Reply ↓
    1. patters's avatarpatters Post author

      Stop CrashPlan. Uninstall Java (this won’t affect CrashPlan since it’s not actually running). Install the updated Java (see instructions on blog post). Start CrashPlan. Easy!

      Reply ↓
      1. Dimitare Nedeltchev's avatarDimitare Nedeltchev

        Thanks Patters,

        Another question, since I’ve not uninstalled Java before is this done via the package manager or command line via SSH?

        Thank you very much!

  38. d_001's avatard_001

    Hi

    I’ve lately been getting the strangest error message when trying to install this package.
    Below, from /var/log/synopkg.log. No log is created that I can see in the DSM package manager. Any one have ideas?

    Thanks!

    2015/10/05 22:56:57 (system) trigger :
    Begin: /bin/tar xf /volume1/@tmp/@synopkg/@download/java7/@SYNOPKG_DOWNLOAD_java7 -C /volume1/@tmp/5612E4194C37BFB6/ conf –no-same-owner
    /bin/tar: conf: Not found in archive
    /bin/tar: Exiting with failure status due to previous errors

    Reply ↓
    1. patters's avatarpatters Post author

      Maybe you have applied Optware to your NAS and perhaps the wrong version of the tar binary is being used? My packages are only tested on stock DSM releases, not on modified systems.

      Reply ↓
    2. patters's avatarpatters Post author

      Looking more closely at this I am stumped. My scripts do not use this location so I don’t know where this command is coming from. I can only suppose that it’s some generic Package Center process inspecting the .spk file (which is a TAR archive) looking for a file called conf (not sure this is in the current published specification). It may be an unimportant error.

      Reply ↓
  39. d_001's avatard_001

    Thanks patters. Well spotted. Tar version is as follows. Is it not correct?

    DS413> /bin/tar –version
    tar (GNU tar) 1.26
    Copyright (C) 2011 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later .
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.

    Written by John Gilmore and Jay Fenlason.

    Reply ↓
  40. d_001's avatard_001

    OK. Looks like the issue is still with Java 8 on the DS 413 / QorIQ package. Java 7 is running fine, I’ll stick to that!

    Thanks for the help patters. Great job here!!

    Reply ↓

  41. Pingback: Install Java on Synology

  44. BritAnd's avatarBritAnd

    Hi, after installing and then ssh’ing into the Synology I get the following messages when I login:

    “-ash: /volume1/@appstore/java8/ejdk1.8.0_65/linux_arm_sflt/jre/bin: Permission denied
    -ash: /volume1/@appstore/java8/ejdk1.8.0_65/linux_arm_sflt/jre: Permission denied
    -ash: /volume1/@appstore/java8/ejdk1.8.0_65/linux_arm_sflt/jre/lib: Permission denied
    -ash: /volume1/@appstore/java8/ejdk1.8.0_65/linux_arm_sflt/jre/bin: Permission denied”

    Any idea what has gone wrong?

    Reply ↓
  45. Martin's avatarMartin

    “PATH=$PATH:/bin # Synology Java Package
    JAVA_HOME= # Synology Java Package
    CLASSPATH=.:/lib # Synology Java Package
    LANG=en_US.utf8 # Synology Java Package
    export CLASSPATH JAVA_HOME LANG PATH # Synology Java Package”
    “/var/packages/java8/scripts/start-stop-status.sh: line 74: java: command not found”
    “java -version
    -ash: java: command not found”

    How can i check what went wrong?

    Reply ↓
  47. Martin's avatarMartin

    can you change the startup so “echo `cat /var/lib/crashplan/.ui_info`” is included?
    It does change every start.

    Reply ↓
    1. patters's avatarpatters Post author

      I can add it to display the token value in the log, but the issue is that you can’t copy and paste from there unfortunately. It never changes for my installation, so I’m not sure why it does for some people. You’ve posted in the wrong page comments btw.

      Reply ↓
  48. Nigel's avatarNigel

    Thanks so much for this and the crashplan package! Been using them for ages.

    I’m having a bit of trouble with the latest java update (8u65). Whenever I try to install it the console gives me “Failed to install Java SE Embeeded 8”, and synophg.log spews out the text at http://pastebin.com/ebQ9fSZY

    Any idea whats going wrong?

    Thanks

    Reply ↓
    1. patters's avatarpatters Post author

      I’ve never seen that error, but it seems that it hasn’t downloaded the spk properly. Did you try rebooting the NAS in case the downloaded spk is cached somehow?

      Reply ↓
      1. Nigel's avatarNigel

        I rebooted but it didn’t make any difference – thanks anyway.

        I did fix the problem, however I had to remove your repo as a source and add it back in to do it. I couldn’t find any other mention in /volume1/@appstore of java. Not sure what just happened, but its fixed.

  49. drumster's avatardrumster

    Hi, I have a DS215+ NAS (uses Alpine processor). I installed everything as per your instructions. The JAVA SE Embedded 8 installs fine, but always showed the status as “Stopped”. Is there anyway to make it start running? I installed Serviio which also installed fine, but after installing it says “Failed to start package” – I am guessing it is because the Java SE embedded is not able to start. Any ideas?

    Reply ↓
    1. patters's avatarpatters Post author

      Are you able to set me up with remote access via SSH? I haven’t confirmed this works on Alpine. However there are CrashPlan users that have reported success.

      Reply ↓
  50. drumster's avatardrumster

    Hi Patters, I followed all the steps that you have written down in this install. I installed the Java Embedded 8u65 (latest available from the oracle website). I uploaded the file in my public directory and then installed the Java SE Embedded 8 from your community package center. But when I click on view log in the installed Java SE 8, it is blank and the service says “Stopped”. Any ideas?

    Reply ↓

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