eclipse-pydev fails to start in ubuntu 18.04 LTS

When i tried to start eclipse-pydev fails, it's show me that:
OpenJDK 64-Bit Server VM warning: Ignoring option MaxPermSize; support was removed in 8.0
and in that .eclipse/org.eclipse.platform_3.8_155965261/configuration/1524902442334.log file show me that:
!SESSION Sat Apr 28 16:00:42 CST 2018 ------------------------------------------
!ENTRY org.eclipse.equinox.launcher 4 0 2018-04-28 16:00:42.351
!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)
i don't know what thats mind, but in 16.04 LTS don't happen.
Thanks for all.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: eclipse (not installed)
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 28 16:02:51 2018
InstallationDate: Installed on 2018-04-27 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: eclipse
UpgradeStatus: No upgrade log present (probably fresh install)