tried to install eclipse and got problems in starting it

I installed eclipse on ubuntu 18.04 but after starting it I got a messages
!SESSION Wed Oct 31 12:24:51 GET 2018 ------------------------------------------
!ENTRY org.eclipse.equinox.launcher 4 0 2018-10-31 12:24:51.392
!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)

OpenJDK 64-Bit Server VM warning: Ignoring option MaxPermSize; support was removed in 8.0

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.27
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
Uname: Linux 4.15.0-36-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 31 12:59:34 2018
InstallationDate: Installed on 2018-09-19 (41 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)