DB adapter and connections problem (Software caused connection abort)
Hi all!
I've heard about some problems of BPEL with database pooling and restoring the connection to the database. I think I might ran into a problem linked with this issue.
I have a process with a DB adapter that executes custom SQL (SELECT I.SEQ.NEXTVAL FROM DUAL). Yesterday everything worked fine. Over the night the database has been restarted. Today, when I try to execute the process I receive this error:
<fault>
-<remoteFault xmlns="http://schemas.oracle.com/bpel/extension">
-<part name="code">
<code>17002
</code>
</part>
-<part name="summary">
<summary>
file:/C:/Oracle/OracleAS/bpel/domains/default/tmp/.bpel_process_1.0_e83588e1ecab6f4899d99f7f74afd076.tmp/MyNextVal.wsdl [ MyNextVal_ptt::MyNextVal(MyNextValInput_msg,MyNextValOutputCollection) ] - WSIF JCA Execute of operation 'MyNextVal' failed due to: Pure SQL Exception.
Pure SQL Execute of SELECT I.SEQ.NEXTVAL FROM DUAL failed. Caused by java.sql.SQLException: Io exception: Software caused connection abort: recv failed.
; nested exception is:
ORABPEL-11633
Pure SQL Exception.
Pure SQL Execute of SELECT I.SEQ.NEXTVAL FROM DUAL failed. Caused by java.sql.SQLException: Io exception: Software caused connection abort: recv failed.
The Pure SQL option is for border use cases only and provides simple yet minimal functionality. Possibly try the "Perform an operation on a table" option instead.
</summary>
</part>
-<part name="detail">
<detail>Io exception: Software caused connection abort: recv failed
</detail>
</part>
</remoteFault>
</fault
I don't believe the problem is in using custom SQL but in establishing new DB connection (I'm not a DB expert so I don't know exactly the problem).
Can anyone please explain something about this and what should I do to ensure this error doesn't repeat?
After restarting opmn the process is executed successfully.
Regards!
Are you using locally defined datasources (setting in wsdl of the dbadapter) or have you set them up at the application server (managed) ?
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java.net.SocketException: Software caused connection abort: recv failed]
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:707)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
at javax.naming.InitialContext.lookup(Unknown Source)
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at psiber.v2.pp.psiberworks.server.MessageRouter.getAppletData(MessageRouter.java:135)
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at psiber.v2.pp.psiberworks.client.hr.psiberpay.PsiberPayReportWizardApplet.callSEIFSAPensionProvidentFundReport(PsiberPayReportWizardApplet.java:14492)
at psiber.v2.pp.psiberworks.client.hr.psiberpay.PsiberPayReportWizardApplet.processSelectedReport(PsiberPayReportWizardApplet.java:14091)
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at java.awt.Button.processActionEvent(Unknown Source)
at java.awt.Button.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
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at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source)
at sun.rmi.server.UnicastRef.invoke(Unknown Source)
at org.jnp.server.NamingServer_Stub.lookup(Unknown Source)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:610)
... 28 more
Caused by: java.net.SocketException: Software caused connection abort: recv failed
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
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... 32 more
remote exception is null
You'll see just as the InitialContext.lookup is executed a
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I have re-tried changing hostnames, ip addresses etc.
Port 1099 is allowed on Personal Firewall and I even diabled it to be sure.
Like I said, it works fine in FireFox.
I'm running Windows XP Version 5.1 (Build 2600.xpsp_sp2_gdr.050501-1519 : Service Pack 2)
and IE Version 6.0.2900.2180.xpsp_sp2_gdr.050501-1519
and SUN JAVA Version 1.4.2_06 (build 1.4.2_06-b03)
I have tested this on 1.5.0 (build 15.0_02-b09) with the same result.
Please help! F1! F1! F1!
Thanks in advance :DHello again
I have discovered more info. I'm not realy enthusiastic about these latests
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enva.put("java.naming.factory.initial", "org.jnp.interfaces.NamingContextFactory");
enva.put("java.naming.factory.url.pkgs", "org.jboss.naming:org.jnp.interfaces");
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javax.naming.CommunicationException [Root exception is java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
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at psiber.v2.pp.psiberworks.server.MessageRouter.getAppletData(MessageRouter.java:135)
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at psiber.v2.pp.psiberworks.server.RemoteSessionImpl.access$0(RemoteSessionImpl.java:710)
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at psiber.v2.pp.psiberworks.server.RemoteSessionImpl.getAppletData(RemoteSessionImpl.java:690)
at psiber.v2.pp.psiberworks.client.RemoteSessionProxy.getAppletData(RemoteSessionProxy.java:109)
at psiber.v2.pp.psiberworks.client.hr.psiberpay.PsiberPayReportWizardApplet.getAppletData(PsiberPayReportWizardApplet.java:7094)
at psiber.v2.pp.psiberworks.client.hr.psiberpay.PsiberPayReportWizardApplet.callSEIFSAPensionProvidentFundReport(PsiberPayReportWizardApplet.java:14492)
at psiber.v2.pp.psiberworks.client.hr.psiberpay.PsiberPayReportWizardApplet.processSelectedReport(PsiberPayReportWizardApplet.java:14091)
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at psiber.v2.pp.psiberworks.client.hr.psiberpay.PsiberPayReportWizardApplet.actionPerformed(PsiberPayReportWizardApplet.java:361)
at java.awt.Button.processActionEvent(Unknown Source)
at java.awt.Button.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
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java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
java.net.MalformedURLException: no protocol: Files/psiberworks/lib/pcl.jar
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:292)
at sun.rmi.transport.Transport$1.run(Transport.java:148)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:144)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)
at java.lang.Thread.run(Thread.java:534)
at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(Unknown Source)
at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source)
at sun.rmi.server.UnicastRef.invoke(Unknown Source)
at org.jnp.server.NamingServer_Stub.lookup(Unknown Source)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:610)
... 28 more
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java.net.MalformedURLException: no protocol: Files/psiberworks/lib/pcl.jar
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:249)
at sun.rmi.transport.Transport$1.run(Transport.java:148)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:144)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)
at java.lang.Thread.run(Thread.java:534)
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at java.net.URL.<init>(URL.java:383)
at sun.rmi.server.LoaderHandler.pathToURLs(LoaderHandler.java:747)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:147)
at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java:631)
at org.jboss.system.JBossRMIClassLoader.loadClass(JBossRMIClassLoader.java:79)
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at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:297)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:246)
... 6 more
remote exception is null
So why would I get a java.net.MalformedURLException?!?! And why is the
classloader having problems loading on of the referenced jars?!
It's that space in "Program Files"......
So I copied the folder to D:\Temp and.... volla!! the off-line deploy of the
application now works fine in Internet Explorer. It's that space!
So this is my theory, when the initialcontext.lookup is called the classnames specified are reflected, instanciated etc. So when the applet gets the
document base from the browser IE gives it "C:\Program Files\" and not an
encoded "file://C:\Program%20Files\" and the spaces causes the classloader
(or something) to not parse the path correctly and causes a bad URL.
If I type the encoded URL in IE's address bar it finds the HTML, displayes it and changes the address bar contents back to "C:\Program Files".
FireFox doen't do this, and therefore works.
Does anyone know if their is a patch for IE, or if there is another way to
connect to JBoss?
How frustrating!! IE Stuffs up the encoded URLS!!! -
Software caused connection abort?
I am receiving the following errors:
Nov 20 08:13:07 nexus sendmail[29376]: [ID 801593 mail.crit] NOQUEUE: SYSERR(root): getrequests: accept: Software caused connection abort
I have not been able to find anything regarding the cause or resolution of this issue - does anyone have a pointer for me?
MikeHopefully you've long since addressed this, but for those who are still looking...
Anything that externally interrupts your network access can cause Windows to return "software caused connection abort". It's the "General Protection Fault" of network errors (that dates me, doesn't it?)
Look for firewalls intermittently swiping packets, flaky NICs, bad cables, and in my case, a DHCP server that was occasionally, briefly denying the assigned IP address, just long enough to kill existing connections.
The only way I found that problem was checking the Event Log and finding DHCPNACK errors. I reserved a specific IP for my computer, configured Windows with a static LAN IP address (usually 192.168.x.x or 10.0.0.x), and set the DHCP Client service to manual start / off. Error free connections now. -
Some information about 'software caused connection abort'
WSAECONNABORTED (10053) Software caused connection abort
A connection abort was caused internal to your host machine. The software caused a connection abort because there is no space on the socket's queue and the socket cannot receive further connections.
WinSock description: The error can occur when the local network system aborts a connection. This would occur if WinSock aborts an established connection after data retransmission fails (receiver never acknowledges data sent on a datastream socket).
TCP/IP scenario: A connection will timeout if the local system doesn't receive an (ACK)nowledgement for data sent. It would also timeout if a (FIN)ish TCP packet is not ACK'd (and even if the FIN is ACK'd, it will eventually timeout if a FIN is not returned).
It seems to happen more with WindowsXP and it seems also to be possibly related to Windows firewall settings. In any case the salient point is that the abort has originated inside the local machine.
It's a stupidly worded message.I know this probably isn't a good solution and may not bhelp you but I had a similar problem with an applet communicating with a server. My destroy function quitted the connection to the server.
I had to send 2 commands to the server then disconnect. I regularly saw a problem at the server end. It troubled me so I wanted to resolve. I ended up putting a 500 millisecond sleep between the two commands and the socket shutdown and that did the trick.
I waited for a response from the server after each command sent so not sure why I had to put the sleeps in - but it cured problem anyway. But it always bugs me if I don't know why. Something to come back to when I am less busy.
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