eclipse IDE after a brand new install not start but complains

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eclipse IDE after a brand new install not start but complains



Premise:
I am constrained to work on a very old Ubuntu 10.04LTS(aka Lucid Lynx)
After have downloaded (now) Oracle's most used 1.8 Java(and latest 1.8 release: 1.8.0_172) decompressed it and set it correctly in PATH in bash i downloaded and decompressed in $ECLIPSE_HOME the latest runnable(cause eclipse releases >= Oxygen require a newer gtk library that actually can't have in that PC) eclipse for my machine: eclipse-java-neon-3-linux-gtk-x86_64.tar.gz
When i tried to execute eclipse instead of a running instance i got that error dialog message


JVM terminated. Exit code=1
/usr/bin/java
-Dosgi.requiredJavaVersion=1.8
-XX:+UseG1GC
-XX:+UseStringDeduplication
-Dosgi.requiredJavaVersion=1.8
-Xms256m
-Xmx1024m
-jar /home/harrykar/Java8/eclipseJavaNeon64//plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar
-os linux
-ws gtk
-arch x86_64
-showsplash /home/harrykar/Java8/eclipseJavaNeon64//plugins/org.eclipse.platform_4.6.3.v20170301-0400/splash.bmp
-launcher /home/harrykar/Java8/eclipseJavaNeon64/eclipse
-name Eclipse
--launcher.library /home/harrykar/Java8/eclipseJavaNeon64//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.401.v20161122-1740/eclipse_1618.so
-startup /home/harrykar/Java8/eclipseJavaNeon64//plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar
--launcher.appendVmargs
-exitdata 6e8037
-product org.eclipse.epp.package.java.product
-vm /usr/bin/java
-vmargs
-Dosgi.requiredJavaVersion=1.8
-XX:+UseG1GC
-XX:+UseStringDeduplication
-Dosgi.requiredJavaVersion=1.8
-Xms256m
-Xmx1024m
-jar /home/harrykar/Java8/eclipseJavaNeon64//plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar



Anyone has a clue?
TIA



Best Regards
Harry G.T. Kar





Eclipse Neon requires Java 8, but according to Oracle java.com/en/download/help/sysreq.xml, Ubuntu 10.04 is not listed as a certified platform for Java 8 (it is for Java 7). Is Java 8 otherwise working? e.g does a simple program compile and run from the command line? If so that would narrow it down to being an Eclipse specific problem.
– paisanco
Aug 11 at 21:57






"Oxygen require a newer gtk library" eclipse uses native code, and requires a more recent gtk/gnome to function. You could try Netbeans.
– Elliott Frisch
Aug 11 at 23:00





"I am constrained to work on a very old Ubuntu 10.04 LTS" - That is your problem! 10.0.4 LTS is 8 years old and passed end-of-life > 3 years ago. Getting new Java / new IDE etc working on an ancient OS platform will be a world of pain. Your best solution is to upgrade / replace the OS. Buy a new computer if you need to.
– Stephen C
Aug 12 at 0:43






@ paisanco: Confirm that Java itself works flawlessly for simple and complex programs as it does the problem is definitely from eclipse side smell to me as something trivial is missing but what ?
– Harry Kar
Aug 12 at 7:24





@ Elliott Frisch : if i can't resolve about eclipse that's the next option
– Harry Kar
Aug 12 at 7:26





1 Answer
1



All that time i was focused to search in Web for a solution (but without luck) and not dig into the eclipse.ini file assumed it correct.
My eclipse.ini after eclipse installation looked like that:


-startup
plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.401.v20161122-1740
-product
org.eclipse.epp.package.java.product
--launcher.defaultAction
openFile
-showsplash
org.eclipse.platform
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmargs
-Dosgi.requiredJavaVersion=1.8
-XX:+UseG1GC
-XX:+UseStringDeduplication
-Dosgi.requiredJavaVersion=1.8
-Xms256m
-Xmx1024m



I notice here missed the path to java(JDK) actually in use(don't forget i used a custom installation of java - in my home directory - not that provided from the Ubuntu system in /usr/bin/ as the error message correctly reported)
So the solution was simply to add 2 lines in the eclipse.ini(i.e. the custom path to JDK).



Beware it's important to write these lines before the -vmargs as shown below (or also delete -vmargs if not use it)


-vm
/home/harrykar/Java8/jdk1.8.0_172/bin
-vmargs



And that's it eclipse now works as intended



Best Regards



Harry G.T. Kar






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