Eclipse will not launch.

[Kevin Matthews]

Pops up a message box:
An error has occurred. See the log file
/home/kmatthews/.eclipse/org.eclipse.platform_3.8_155965261/configuration/1526503402759.log

The contents of the log file are:
!SESSION Wed May 16 13:43:22 PDT 2018 ------------------------------------------
!ENTRY org.eclipse.equinox.launcher 4 0 2018-05-16 13:43:22.775
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.ClassNotFoundException: org.eclipse.core.runtime.adaptor.EclipseStarter
 at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
 at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
 at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
 at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:626)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
 at org.eclipse.equinox.launcher.Main.main(Main.java:1414)

If launched from the console, there is a single message displayed:
OpenJDK 64-Bit Server VM warning: Ignoring option MaxPermSize; support was removed in 8.0

Requested info:
1)
$ lsb_release -rd
Description: Ubuntu 18.04 LTS
Release: 18.04

2)
apt-cache policy eclipse-cdt
eclipse-cdt:
  Installed: 8.6.0-2
  Candidate: 8.6.0-2
  Version table:
 *** 8.6.0-2 500
        500 http://us.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu bionic/universe i386 Packages
        100 /var/lib/dpkg/status

3) I expect Eclipse to launch.

4) Eclipse begins to launch and then crashes and throws the above error message.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: eclipse-cdt 8.6.0-2
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: XFCE
Date: Wed May 16 13:40:28 2018
InstallationDate: Installed on 2018-04-28 (17 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: eclipse-cdt
UpgradeStatus: No upgrade log present (probably fresh install)

[Hans Joachim Desserud (hjd)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1754886, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.