Thanks guys...

Does seems to be some JVM problem...
I'll try with some other parameters and see if crash still occurs...

----- Original Message -----
From: "Robert DiFalco" <rdifalco@...>
To: <Firebird-Java@yahoogroups.com>
Sent: Friday, October 03, 2003 2:23 AM
Subject: RE: [Firebird-Java] JVM crashes from exception in JDBC driver


> Well, It's definitely a JVM bug. The JVM should never exit like that. It
> may be related to this:
>
> http://developer.java.sun.com/developer/bugParade/bugs/4885936.html
>
> R.
>
> -----Original Message-----
> From: Ryan Baldwin [mailto:ryan.baldwin@...]
> Sent: Thursday, October 02, 2003 6:40 AM
> To: Firebird-Java@yahoogroups.com
> Subject: RE: [Firebird-Java] JVM crashes from exception in JDBC driver
>
>
> Hi Kenneth,
>
> >But since arraycopy is called by FBBlob$FBBlobOutputStream.write ...
> >it could also be non-JVM errors
>
> I was going to post again to clarify what I said a bit but decided
> against
> it as it was a bit rambling - I was going to post -
>
> >Really we should not be able to crash the virtual machine from just
> java
> >code which is why I suspect a JVM problem or hardware problem rather
> then a
> >problem with jaybird itself.
>
> Just to clarify myself - It is possible that their 'is' a bug in the
> jaybird
> code and we are passing bad values into System.arraycopy - but if this
> where
> the case then an exception should be thrown - so if we are - or are not
> passing bad parameters to this method then the crash is probarbly a JVM
> problem. If we are passing bad parameters to this method for some reason
> then the crash is hiding the usefull infomation that an exception would
> contain. If this is the case the trying the client VM or perhaps
> disabling
> compilation altogether may show up an exception if their is a jaybird
> bug -
> allowing this to be investigated seperatly.
>
> I hope this makes some sense.
>
>
> >Maybe I should use ps.setBytes() instead?
>
> What you are doing shouldent lead to the problem you are having - the
> setBytes method would do this
>
> if (value == BYTES_NULL_VALUE) {
> setNull();
> return;
> }
>
> byte[] data = field.encodeString(value, javaEncoding);
> setBinaryStream(new ByteArrayInputStream(data), data.length);
>
> So other then encoding the bytes acording to the javaEncoding for the
> field
> it would end up doing the same thing. I cant really say what would be
> best -
> but the method you are using should work.
>
> It will be intersting to see if the problem reproduces with the client
> VM.
>
> Thanks
> Ryan
>
>
>
>
>
> -----Original Message-----
> From: Kenneth Foo [mailto:kenneth@...]
> Sent: 02 October 2003 14:02
> To: Firebird-Java@yahoogroups.com
> Subject: Re: [Firebird-Java] JVM crashes from exception in JDBC driver
>
>
> Hi Ryan
>
> The crash happens fairly frequent...about once a day or once
> every 2 days, and it always happens at the same place.
> (Attached are the logs files for 2 crashes)
>
> Having the exception from java.lang.System.arraycopy
> indicates that this is a JVM error.
>
> But since arraycopy is called by FBBlob$FBBlobOutputStream.write ...
> it could also be non-JVM errors.
>
> I'm trying out with client JVM to see if anything happens within the
> next couple of days.
>
>
> Btw, my code that inconsistently causes the problem is
>
> private static final void setBlob(PreparedStatement ps, int
> columnindex,
> Object v) throws java.sql.SQLException {
> // Now set the actual binary column data by passing the
> if (v==null)
> ps.setNull(columnindex, java.sql.Types.BLOB);
> else {
> byte[] buf = null;
> if (v instanceof byte[]) {
> buf = (byte[])v;
> }
> else {
> try {
> buf = v.toString().getBytes("UTF8");
> }
> catch (java.io.UnsupportedEncodingException ex) {
> throw new SQLException(ex.toString());
> }
> }
> ByteArrayInputStream bais = new ByteArrayInputStream(buf);
> ps.setBinaryStream(columnindex, bais, buf.length);
> }
> }
>
>
>
> Maybe I should use ps.setBytes() instead?
>
> ----- Original Message -----
> From: "Ryan Baldwin" <ryan.baldwin@...>
> To: <Firebird-Java@yahoogroups.com>
> Sent: Thursday, October 02, 2003 7:31 PM
> Subject: RE: [Firebird-Java] JVM crashes from exception in JDBC driver
>
>
> > Hi,
> >
> > I've havent come across this problem myself. I looks quite
> interesting.
> How
> > often does this happen ? Do you still have the hs_err_pid*.log files
> for
> the
> > crashes that have happened. If so it might be worth looking back
> through
> > these.
> >
> > If the crash is consistant in terms of where and how it occurs I would
> tend
> > to suspect a JVM bug. If the crashses are more random then I might
> begin
> to
> > suspect the hardware.
> >
> > Your using the Hotspot Server VM - it would be intersting to see if
> you
> can
> > re-produce this bug with the hotspot client VM - as if it is not
> possible
> it
> > may indicate a bug in the Hotspot Server VM's compiler or somthing
> along
> > those lines.
> >
> > Really we should not be able to crash the virtual machine from just
> java
> > code which is why I suspect a JVM problem or hardware problem rather
> then
> a
> > problem with jaybird itself.
> >
> > I hope this is of some help.
> >
> > Ryan
> >
> >
> >
> > -----Original Message-----
> > From: Kenneth Foo [mailto:kenneth@...]
> > Sent: 02 October 2003 10:19
> > To: firebird-java@yahoogroups.com
> > Subject: [Firebird-Java] JVM crashes from exception in JDBC driver
> >
> >
> > Hi All
> >
> > I'm getting this problem quite often in a production system.
> > The JVM crashes with and error and it's usually fro mthis
> > FBBlob$FBBlobOutputStream class...
> > Any solutions? I think I'm running a fairly recent (about 1 or 2 weeks
> old)
> > CVS version of the driver.
> >
> > Regards
> > Kenneth
> >
> > Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at
> PC=0x6D565C4E
> > Function=JVM_ArrayCopy+0x8E
> > Library=c:\j2sdk1.4.1\jre\bin\server\jvm.dll
> >
> > Current Java thread:
> > at java.lang.System.arraycopy(Native Method)
> > at
> > org.firebirdsql.jdbc.FBBlob$FBBlobOutputStream.write(FBBlob.java:747)
> > at org.firebirdsql.jdbc.FBBlob.copyStream(FBBlob.java:459)
> > at
> >
> org.firebirdsql.jdbc.FBLongVarCharField.copyBinaryStream(FBLongVarCharFi
> eld.
> > java:199)
> > at
> >
> org.firebirdsql.jdbc.FBLongVarCharField.setBinaryStream(FBLongVarCharFie
> ld.j
> > ava:211)
> > at
> >
> org.firebirdsql.jdbc.FBPreparedStatement.setBinaryStream(FBPreparedState
> ment
> > .java:156)
> > at com.nic.connect.db.MessageDB.setBlob(MessageDB.java:293)
> > at
> >
> com.nic.connect.db.MessageDB.prepareUpdateStatement(MessageDB.java:368)
> > at
> >
> com.nic.connect.db.MessageDB.internalUpdateMessage(MessageDB.java:2175)
> > at
> com.nic.connect.db.MessageDB.createMessage(MessageDB.java:2051)
> > at
> >
> com.nic.connect.cc.OperationsHandler.execute(OperationsHandler.java:596)
> > at com.nic.cc.CommandManager.execute(CommandManager.java:43)
> > at
> >
> com.nic.connect.cc.OperationsHandler.execute(OperationsHandler.java:541)
> > at com.nic.cc.CommandManager.execute(CommandManager.java:43)
> > at
> com.nic.connect.ContextImpl.sendMessage(ContextImpl.java:747)
> > at
> >
> org.apache.jsp.do_composemsg_jsp._jspService(do_composemsg_jsp.java:261)
> > at
> > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
> > at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > at
> >
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.ja
> va:2
> > 10)
> > at
> >
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
> > at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
> > at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > at
> >
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
> tion
> > FilterChain.java:247)
> > at
> >
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
> erCh
> > ain.java:193)
> > at
> >
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
> e.ja
> > va:256)
> > at
> >
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i
> nvok
> > eNext(StandardPipeline.java:643)
> > at
> >
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 80)
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
> e.ja
> > va:191)
> > at
> >
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i
> nvok
> > eNext(StandardPipeline.java:643)
> > at
> >
> org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.ja
> va:2
> > 46)
> > at
> >
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i
> nvok
> > eNext(StandardPipeline.java:641)
> > at
> >
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 80)
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:241
> 5)
> > at
> >
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
> :180
> > )
> > at
> >
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i
> nvok
> > eNext(StandardPipeline.java:643)
> > at
> >
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherVa
> lve.
> > java:171)
> > at
> >
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i
> nvok
> > eNext(StandardPipeline.java:641)
> > at
> >
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
> :172
> > )
> > at
> >
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i
> nvok
> > eNext(StandardPipeline.java:641)
> > at
> >
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 80)
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
> java
> > :174)
> > at
> >
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i
> nvok
> > eNext(StandardPipeline.java:643)
> > at
> >
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 80)
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
> > at
> >
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:59
> 4)
> > at
> >
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC
> onne
> > ction(Http11Protocol.java:392)
> > at
> >
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:56
> 5)
> > at
> >
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
> .jav
> > a:619)
> > at java.lang.Thread.run(Thread.java:536)
> >
> > Dynamic libraries:
> > 0x00400000 - 0x00406000 c:\j2sdk1.4.1\bin\java.exe
> > 0x77F80000 - 0x77FFA000 C:\WINNT\system32\ntdll.dll
> > 0x77DB0000 - 0x77E0B000 C:\WINNT\system32\ADVAPI32.dll
> > 0x77E80000 - 0x77F31000 C:\WINNT\system32\KERNEL32.dll
> > 0x77D30000 - 0x77D9E000 C:\WINNT\system32\RPCRT4.dll
> > 0x78000000 - 0x78046000 C:\WINNT\system32\MSVCRT.dll
> > 0x6D470000 - 0x6D6E1000 c:\j2sdk1.4.1\jre\bin\server\jvm.dll
> > 0x77E10000 - 0x77E6F000 C:\WINNT\system32\USER32.dll
> > 0x77F40000 - 0x77F79000 C:\WINNT\system32\GDI32.dll
> > 0x77570000 - 0x775A0000 C:\WINNT\System32\WINMM.dll
> > 0x6D1E0000 - 0x6D1E7000 c:\j2sdk1.4.1\jre\bin\hpi.dll
> > 0x6D310000 - 0x6D31E000 c:\j2sdk1.4.1\jre\bin\verify.dll
> > 0x6D220000 - 0x6D239000 c:\j2sdk1.4.1\jre\bin\java.dll
> > 0x6D330000 - 0x6D33D000 c:\j2sdk1.4.1\jre\bin\zip.dll
> > 0x6D2E0000 - 0x6D2EE000 C:\j2sdk1.4.1\jre\bin\net.dll
> > 0x75050000 - 0x75058000 C:\WINNT\System32\WSOCK32.dll
> > 0x75030000 - 0x75043000 C:\WINNT\System32\WS2_32.DLL
> > 0x75020000 - 0x75028000 C:\WINNT\System32\WS2HELP.DLL
> > 0x74FD0000 - 0x74FED000 C:\WINNT\system32\msafd.dll
> > 0x75010000 - 0x75017000 C:\WINNT\System32\wshtcpip.dll
> > 0x782C0000 - 0x782CC000 C:\WINNT\System32\rnr20.dll
> > 0x77980000 - 0x779A4000 C:\WINNT\System32\DNSAPI.DLL
> > 0x77340000 - 0x77353000 C:\WINNT\System32\iphlpapi.dll
> > 0x77520000 - 0x77525000 C:\WINNT\System32\ICMP.DLL
> > 0x77320000 - 0x77337000 C:\WINNT\System32\MPRAPI.DLL
> > 0x75150000 - 0x75160000 C:\WINNT\System32\SAMLIB.DLL
> > 0x75170000 - 0x751BF000 C:\WINNT\System32\NETAPI32.DLL
> > 0x77BE0000 - 0x77BEF000 C:\WINNT\System32\Secur32.dll
> > 0x751C0000 - 0x751C6000 C:\WINNT\System32\NETRAP.dll
> > 0x77950000 - 0x77978000 C:\WINNT\system32\WLDAP32.dll
> > 0x77A50000 - 0x77B3C000 C:\WINNT\system32\OLE32.DLL
> > 0x779B0000 - 0x77A4B000 C:\WINNT\system32\OLEAUT32.DLL
> > 0x773B0000 - 0x773DE000 C:\WINNT\System32\ACTIVEDS.DLL
> > 0x77380000 - 0x773A2000 C:\WINNT\System32\ADSLDPC.DLL
> > 0x77830000 - 0x7783E000 C:\WINNT\System32\RTUTILS.DLL
> > 0x77880000 - 0x7790D000 C:\WINNT\System32\SETUPAPI.DLL
> > 0x77C10000 - 0x77C6D000 C:\WINNT\System32\USERENV.DLL
> > 0x774E0000 - 0x77512000 C:\WINNT\System32\RASAPI32.DLL
> > 0x774C0000 - 0x774D1000 C:\WINNT\System32\RASMAN.DLL
> > 0x77530000 - 0x77552000 C:\WINNT\System32\TAPI32.DLL
> > 0x77B50000 - 0x77BD9000 C:\WINNT\system32\COMCTL32.DLL
> > 0x77C70000 - 0x77CBA000 C:\WINNT\system32\SHLWAPI.DLL
> > 0x77360000 - 0x77379000 C:\WINNT\System32\DHCPCSVC.DLL
> > 0x777E0000 - 0x777E8000 C:\WINNT\System32\winrnr.dll
> > 0x777F0000 - 0x777F5000 C:\WINNT\System32\rasadhlp.dll
> > 0x77920000 - 0x77943000 C:\WINNT\system32\imagehlp.dll
> > 0x72A00000 - 0x72A2D000 C:\WINNT\system32\DBGHELP.dll
> > 0x690A0000 - 0x690AB000 C:\WINNT\System32\PSAPI.DLL
> >
> > Local Time = Thu Oct 02 17:00:58 2003
> > Elapsed Time = 95934
> > #
> > # HotSpot Virtual Machine Error : EXCEPTION_ACCESS_VIOLATION
> > # Error ID : 4F530E43505002E6
> > # Please report this error at
> > # http://java.sun.com/cgi-bin/bugreport.cgi
> > #
> > # Java VM: Java HotSpot(TM) Server VM (1.4.1_05-b01 mixed mode)
> > #
> > # An error report file has been saved as hs_err_pid2688.log.
> > # Please refer to the file for further information.
> > #
> >
> > E:\NCS>
> >
> >
> >
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> >
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