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

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via Hibernate JIRA by FOIRET, 1 year ago
This exception has no message.
via Hibernate JIRA by FOIRET, 1 year ago
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via Stack Overflow by JovanIvanoski
, 2 years ago
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via YouTrack by Unknown author, 1 year ago
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via https://bugzilla.redhat.com/bugzilla/ by Toshiya Kobayashi, 1 year ago
java.lang.NullPointerException:
at java.lang.String.compareTo(Unknown Source)
at vdo.epi.hibernate.Elemaction.compareTo(Elemaction.java:491)
at java.util.TreeMap.compare(Unknown Source)
at java.util.TreeMap.put(Unknown Source)
at java.util.TreeSet.add(Unknown Source)
at org.hibernate.collection.PersistentSet.initializeFromCache(PersistentSet.java:104)
at org.hibernate.cache.entry.CollectionCacheEntry.assemble(CollectionCacheEntry.java:35)
at org.hibernate.event.def.DefaultInitializeCollectionEventListener.initializeCollectionFromCache(DefaultInitializeCollectionEventListener.java:130)
at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:48)
at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1716)
at org.hibernate.event.def.DefaultLoadEventListener.assembleCacheEntry(DefaultLoadEventListener.java:567)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:494)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:356)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:137)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:193)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:101)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)
at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:266)
at org.hibernate.type.ManyToOneType.assemble(ManyToOneType.java:196)
at org.hibernate.type.TypeFactory.assemble(TypeFactory.java:404)
at org.hibernate.cache.entry.CacheEntry.assemble(CacheEntry.java:96)
at org.hibernate.cache.entry.CacheEntry.assemble(CacheEntry.java:82)
at org.hibernate.event.def.DefaultLoadEventListener.assembleCacheEntry(DefaultLoadEventListener.java:540)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:494)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:356)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:137)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:193)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:101)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:815)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at undefined.$Proxy3.get(Unknown Source)
at vdo.epi.hibernate.ElemactionDAO.findById(ElemactionDAO.java:159)
at vdo.epi.page.ActioncreaPage.onEditElem(ActioncreaPage.java:424)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at net.sf.click.util.ClickUtils.invokeListener(ClickUtils.java:1393)
at net.sf.click.control.ActionLink.onProcess(ActionLink.java:498)
at net.sf.click.ClickServlet.processPage(ClickServlet.java:555)
at net.sf.click.ClickServlet.handleRequest(ClickServlet.java:356)
at net.sf.click.ClickServlet.doGet(ClickServlet.java:284)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at java.lang.Thread.run(Unknown Source)

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