Re: java.sql.SQLRuntimeException: Cannot store DataSet instance to WeakHashMap

Thanks for doing that. Is there a way to access those mailing lists as newsgroups? I hate reading those with Thunderbird because attachments are so buggy.

Dyreatnews@xxxxxxx wrote:
I'm cc'ing this reply to derby-user@xxxxxxxxxxxxx, since not many
derby people follow this newsgroup.

Harri Pesonen <fuerte@xxxxxx> writes:

I get the following error (sometimes) when I use DataSet<sometype>
with Derby 10.2.1.0 and JDK6 b98:

java.sql.SQLRuntimeException: Cannot store DataSet instance to WeakHashMap
at com.sun.sql.QueryObject.registerDataSet(QueryObject.java:1306)
at com.sun.sql.QueryObject.getQueryImpl(QueryObject.java:767)
at com.sun.sql.QueryObject.access$000(QueryObject.java:26)
at com.sun.sql.QueryObject$1.run(QueryObject.java:229)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.sql.QueryObject.invoke(QueryObject.java:224)
at $Proxy5.system_Prefs_get(Unknown Source)
at Kahvi.Kahvi.get_sys_pref(Kahvi.java:896)
at Kahvi.Kahvi.get_sys_pref(Kahvi.java:892)
at Kahvi.Kahvi.cache_filename(Kahvi.java:2627)
at Kahvi.Kahvi.servletThumb(Kahvi.java:326)
at Kahvi.thumb.processKahvi(thumb.java:23)
at Kahvi.KahviServlet.processRequest(KahviServlet.java:66)
at Kahvi.KahviServlet.doGet(KahviServlet.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
at com.sun.sql.DataSetImpl$DataSetItr.<init>(DataSetImpl.java:1759)
at
com.sun.sql.DataSetImpl$DataSetListIterator.<init>(DataSetImpl.java:1846)
at com.sun.sql.DataSetImpl.listIterator(DataSetImpl.java:1628)
at java.util.AbstractList.equals(AbstractList.java:503)
at java.util.WeakHashMap.eq(WeakHashMap.java:259)
at java.util.WeakHashMap.put(WeakHashMap.java:406)
at com.sun.sql.QueryObject.registerDataSet(QueryObject.java:1304)
... 32 more

.

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