Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Stack Overflow by rakeeee
, 1 year ago
via eclipse.org by Unknown author, 1 year ago
via GitHub by stas1000
, 1 year ago
via GitHub by dmoos777
, 1 year ago
via GitHub by Ltek
, 1 year ago
java.lang.NullPointerException: 	at org.eclipse.jetty.server.handler.HandlerCollection.setHandlers(HandlerCollection.java:86)	at org.eclipse.jetty.server.handler.ContextHandlerCollection.setHandlers(ContextHandlerCollection.java:151)	at org.eclipse.jetty.server.handler.HandlerCollection.addHandler(HandlerCollection.java:144)	at com.google.apphosting.vmruntime.jetty9.VmRuntimeWebAppDeployer.doStart(VmRuntimeWebAppDeployer.java:79)	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)	at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)	at org.eclipse.jetty.server.Server.start(Server.java:405)	at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)	at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)	at org.eclipse.jetty.server.Server.doStart(Server.java:372)