java.lang.NullPointerException: This exception has no message.

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Solutions on the web

via GitHub by gloss82
, 6 months ago
This exception has no message.
via Eclipse Bugzilla by mythily.parthasarathy, 1 year ago
via Netbeans Bugzilla by dmocek, 1 year ago
via Google Groups by Unknown author, 2 months ago
via Stack Overflow by Stroboskop
, 4 months ago
This exception has no message.
java.lang.NullPointerException:
at java.util.ArrayList.(ArrayList.java:164)
at org.eclipse.wst.server.core.internal.ResourceManager.getRuntimes(ResourceManager.java:737)
at oracle.eclipse.tools.weblogic.upgrade.internal.WlsRuntimeWorkspaceUpgradeParticipant.check(WlsRuntimeWorkspaceUpgradeParticipant.java:60)
at oracle.eclipse.tools.common.upgrade.internal.UpgradeFrameworkImpl.initialize(UpgradeFrameworkImpl.java:135)
at oracle.eclipse.tools.common.upgrade.UpgradeFramework.initialize(UpgradeFramework.java:26)
at oracle.eclipse.tools.common.upgrade.internal.StartupHandler.earlyStartup(StartupHandler.java:18)
at org.eclipse.ui.internal.EarlyStartupRunnable.runEarlyStartup(EarlyStartupRunnable.java:87)
at org.eclipse.ui.internal.EarlyStartupRunnable.run(EarlyStartupRunnable.java:66)

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