Javacore and threaddumps show all the threads are blocked
on socketRead or socketRead0 and the stack looks like the following:
3XMTHREADINFO "Servlet.Engine.Transports : 20770" (TID:0x608B4940,
sys_thread_t:0x3CB712A0, state:R, native ID:0x84AB) prio=5
4XESTACKTRACE at java.net.SocketInputStream.socketRead0(Native Method)
4XESTACKTRACE at
java.net.SocketInputStream.read(SocketInputStream.java(Compiled Code))
4XESTACKTRACE at
com.microsoft.util.UtilSocketDataProvider.getArrayOfBytes(Unknown
Source)
4XESTACKTRACE at
com.microsoft.util.UtilBufferedDataProvider.cacheNextBlock(Unknown
Source)
4XESTACKTRACE at
com.microsoft.util.UtilBufferedDataProvider.getArrayOfBytes(Unknown
Source)
4XESTACKTRACE at
com.microsoft.jdbc.sqlserver.SQLServerDepacketizingDataProvider.signalStartOfPacket(Unknown
Source)
4XESTACKTRACE at
com.microsoft.util.UtilDepacketizingDataProvider.getByte(Unknown
Source)
4XESTACKTRACE at
com.microsoft.util.UtilByteOrderedDataReader.readInt8(Unknown
Source)
4XESTACKTRACE at
com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReply(Unknown
Source)
4XESTACKTRACE at
com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown
Source)
4XESTACKTRACE at
com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown
Source)
4XESTACKTRACE at com.microsoft.jdbc.base.BaseConnection.open(Unknown
Source)
4XESTACKTRACE at com.microsoft.jdbc.base.BaseDriver.connect(Unknown
Source)
4XESTACKTRACE at
java.sql.DriverManager.getConnection(DriverManager.java(Compiled Code))
4XESTACKTRACE at
java.sql.DriverManager.getConnection(DriverManager.java(Compiled Code))
4XESTACKTRACE at
org.apache.jsp._nt_5F_authenticator._jspService(_nt_5F_authenticator.java(Compiled
Code))
4XESTACKTRACE at
com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java(Compiled
Code))
4XESTACKTRACE at
javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
4XESTACKTRACE at
com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspServlet.java(Compiled
Code))
4XESTACKTRACE at
com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java(Compiled
Code))
4XESTACKTRACE at
com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java(Compiled
Code))
4XESTACKTRACE at
javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
4XESTACKTRACE at
com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled
Code))
3XHNATIVESTACK Native Stack
NULL ------------
3XHSTACKLINE at 0xD0945838 in NET_Recv
3XHSTACKLINE at 0xD0955EB4 in Java_java_net_SocketInputStream_socketRead0
3XHSTACKLINE at 0x3B48227C in À^P
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