IDLDE fails to start on RedHat Linux x86_64
idlde (eclipse) can't seem to find it's jar files although they exist and the config.ini is set up properly. I tried setting the CLASSPATH but it didn't help.
Any thoughts?

The error log contains:
!SESSION Thu Jun 28 16:52:16 UTC 2018 ------------------------------------------
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.513
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_de_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.515
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_es_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.515
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_fr_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.516
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_it_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.517
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_ja_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.518
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_ko_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.519
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_nl_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.520
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_pt_BR_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.521
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_ru_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.522
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_zh_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.523
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.services.nl_zh_TW_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.524
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_de_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.524
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_es_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.525
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_fr_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.527
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_it_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.528
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_ja_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.529
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_ko_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.530
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_nl_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.531
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_pt_BR_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.532
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_ru_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.533
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_zh_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.534
!MESSAGE Could not find extension: reference:file:org.eclipse.osgi.util.nl_zh_TW_3.5.0.v20111128114305.jar
!ENTRY org.eclipse.equinox.launcher 4 0 2018-06-28 16:52:16.607
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.ClassNotFoundException: org.eclipse.core.runtime.adaptor.EclipseStarter
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
at org.eclipse.equinox.launcher.Main.main(Main.java:1386)