Stress Test Oracle 9i

Hello,
I want to perform stress tests on my Oracle 9i database. Is there a software that you can recommend to use. Maybe even scripts or shareware. Thank you.

There are a variety of third party load test tools available, generally part of a suite of QA tools. You can also build your own test harnass.
99% of the work, however, is in figuring out what to run to put a representative stress on your application and, thus, your database. Figure out a representative number of OLTP users, a representative number of DSS users, an appropriate overlap in time and in data, etc.
Justin
Distributed Database Consulting, Inc.
http://www.ddbcinc.com/askDDBC

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    <stringProp name="Header.value">http://afsodevap101:7016/EwarrantyApplication-ViewController-context-root/?_afrLoop=17373255201655936&amp;_afrWindowMode=0&amp;_afrWindowId=null</stringProp>
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    <elementProp name="pt1%3Asoc1" elementType="HTTPArgument">
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    <stringProp name="Argument.name">pt1%3Asoc1</stringProp>
    <stringProp name="Argument.value">0</stringProp>
    <stringProp name="Argument.metadata">=</stringProp>
    <boolProp name="HTTPArgument.use_equals">true</boolProp>
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    <stringProp name="Argument.metadata">=</stringProp>
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    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [21]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [22]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [23] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [24] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-26" (TID:0xac84e8, sys_thread_t:0xac8428, state:CW, thread_t:
    t@37, threadID:0xd9571dc8, stack_bottom:0xd9572000, stack_size:0x20000)
    prio=5
    [1] weblogic.common.internal.DynaQueue.getW(DynaQueue.java:219)
    [2] weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [3] weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [4] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-25" (TID:0xab7d50, sys_thread_t:0xab7c90, state:CW, thread_t:
    t@36, threadID:0xd95a1dc8, stack_bottom:0xd95a2000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getEMTRoleId(E
    RSSystemConfigurationBeanEOImpl.java:1539)
    [6]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBean.checkEMT(ApproverSelec
    tionBean.java:473)
    [7]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl.checkEMT(Approve
    rSelectionBeanEOImpl.java:71)
    [8]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl_ServiceStub.chec
    kEMT(ApproverSelectionBeanEOImpl_ServiceStub.java:501)
    [9]
    com.nps.ers.servlet.NortelApproverSelection.updateApproverList(NortelApprove
    rSelection.java:87)
    [10]
    com.nps.ers.servlet.NortelApproverSelection.getApproverList(NortelApproverSe
    lection.java:62)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getApprovers(AwardNominationReque
    st.java:1412)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.previewNominate(AwardNominationRe
    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [21]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [22]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [23] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [24] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-24" (TID:0xab9b60, sys_thread_t:0xab9aa0, state:CW, thread_t:
    t@35, threadID:0xd95d1dc8, stack_bottom:0xd95d2000, stack_size:0x20000)
    prio=5
    [1] weblogic.common.internal.DynaQueue.getW(DynaQueue.java:219)
    [2] weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [3] weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [4] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-23" (TID:0xab9948, sys_thread_t:0xab9888, state:CW, thread_t:
    t@34, threadID:0xd9601dc8, stack_bottom:0xd9602000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5] com.nps.ers.ejb.user.UserBeanEOImpl.getUserId(UserBeanEOImpl.java:182)
    [6]
    com.nps.ers.ejb.login.LoginSessionBean.getUserStatus(LoginSessionBean.java:1
    61)
    [7]
    com.nps.ers.ejb.login.LoginSessionBeanEOImpl.getUserStatus(LoginSessionBeanE
    OImpl.java:212)
    [8]
    com.nps.ers.ejb.login.LoginSessionBeanEOImpl_ServiceStub.getUserStatus(Login
    SessionBeanEOImpl_ServiceStub.java:554)
    [9]
    com.nps.ers.servlet.LoginRequest.processLoginRequest(LoginRequest.java:248)
    [10] com.nps.ers.servlet.LoginRequest.getNextPage(LoginRequest.java:90)
    [11] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [12] com.nps.common.servlet.BaseServlet.doGet(BaseServlet.java:124)
    [13] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [14] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [15]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [16]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [17]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [18]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [19] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [20] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-22" (TID:0xabcc20, sys_thread_t:0xabcb60, state:CW, thread_t:
    t@33, threadID:0xd9631dc8, stack_bottom:0xd9632000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getEMTRoleId(E
    RSSystemConfigurationBeanEOImpl.java:1539)
    [6]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBean.checkEMT(ApproverSelec
    tionBean.java:473)
    [7]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl.checkEMT(Approve
    rSelectionBeanEOImpl.java:71)
    [8]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl_ServiceStub.chec
    kEMT(ApproverSelectionBeanEOImpl_ServiceStub.java:501)
    [9]
    com.nps.ers.servlet.NortelApproverSelection.updateApproverList(NortelApprove
    rSelection.java:87)
    [10]
    com.nps.ers.servlet.NortelApproverSelection.getApproverList(NortelApproverSe
    lection.java:62)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getApprovers(AwardNominationReque
    st.java:1412)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.previewNominate(AwardNominationRe
    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [21]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [22]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [23] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [24] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-21" (TID:0xa9ccf0, sys_thread_t:0xa9cc30, state:CW, thread_t:
    t@32, threadID:0xd9661dc8, stack_bottom:0xd9662000, stack_size:0x20000)
    prio=5
    [1] weblogic.common.internal.DynaQueue.getW(DynaQueue.java:219)
    [2] weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [3] weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [4] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-20" (TID:0xab2550, sys_thread_t:0xab2490, state:R, thread_t:
    t@31, threadID:0xd9691dc8, stack_bottom:0xd9692000, stack_size:0x20000)
    prio=5
    [1] java.net.SocketInputStream.socketRead(Native Method)
    [2] java.net.SocketInputStream.read(SocketInputStream.java:85)
    [3] weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [4] weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [5] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-19" (TID:0xa640c0, sys_thread_t:0xa64000, state:CW, thread_t:
    t@30, threadID:0xd96c1dc8, stack_bottom:0xd96c2000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5] com.nps.ers.ejb.user.UserBeanEOImpl.display(UserBeanEOImpl.java:1384)
    [6]
    com.nps.ers.ejb.awardnomination.AwardNominationBean.updatePointsUsed(AwardNo
    minationBean.java:1530)
    [7]
    com.nps.ers.ejb.awardnomination.AwardNominationBean.nominate(AwardNomination
    Bean.java:1279)
    [8]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl.nominate(AwardNomi
    nationBeanEOImpl.java:282)
    [9]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl_ServiceStub.nomina
    te(AwardNominationBeanEOImpl_ServiceStub.java:811)
    [10]
    com.nps.ers.servlet.AwardNominationRequest.nominate(AwardNominationRequest.j
    ava:1339)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [13] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [14] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [15] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [16] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [17]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [18]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [19]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [20]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [21] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [22] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-18" (TID:0xa502d8, sys_thread_t:0xa50218, state:CW, thread_t:
    t@29, threadID:0xd96f1dc8, stack_bottom:0xd96f2000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getCashWithinD
    ays(ERSSystemConfigurationBeanEOImpl.java:1231)
    [6]
    com.nps.ers.ejb.awardnomination.AwardNominationBean.getAwardNominationNotifi
    cationStates(AwardNominationBean.java:772)
    [7]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl.getAwardNomination
    NotificationStates(AwardNominationBeanEOImpl.java:247)
    [8]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl_ServiceStub.getAwa
    rdNominationNotificationStates(AwardNominationBeanEOImpl_ServiceStub.java:41
    5)
    [9]
    com.nps.ers.servlet.AwardNominationRequest.nominate(AwardNominationRequest.j
    ava:1339)
    [10]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [12] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [13] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [14] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [15] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [16]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [17]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [18]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [19]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [20] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [21] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-17" (TID:0xa242d8, sys_thread_t:0xa24218, state:CW, thread_t:
    t@28, threadID:0xd9721dc8, stack_bottom:0xd9722000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.user.UserBeanEOImpl.getUserStatusCode(UserBeanEOImpl.java:22
    77)
    [6]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBean.getApprovers(ApproverS
    electionBean.java:352)
    [7]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl.getApprovers(App
    roverSelectionBeanEOImpl.java:140)
    [8]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl_ServiceStub.getA
    pprovers(ApproverSelectionBeanEOImpl_ServiceStub.java:554)
    [9]
    com.nps.ers.servlet.ApproverSelection.getApproverList(ApproverSelection.java
    :81)
    [10]
    com.nps.ers.servlet.NortelApproverSelection.getApproverList(NortelApproverSe
    lection.java:62)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getApprovers(AwardNominationReque
    st.java:1412)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.previewNominate(AwardNominationRe
    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [21]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [22]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [23] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [24] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-16" (TID:0xaa0ed8, sys_thread_t:0xaa0e18, state:CW, thread_t:
    t@27, threadID:0xd9751dc8, stack_bottom:0xd9752000, stack_size:0x20000)
    prio=5
    [1] weblogic.common.internal.DynaQueue.getW(DynaQueue.java:219)
    [2] weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [3] weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [4] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-15" (TID:0xad0220, sys_thread_t:0xad0160, state:CW, thread_t:
    t@26, threadID:0xd9781dc8, stack_bottom:0xd9782000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5] com.nps.ers.ejb.user.UserBeanEOImpl.getUserId(UserBeanEOImpl.java:182)
    [6]
    com.nps.ers.ejb.login.LoginSessionBean.getUserStatus(LoginSessionBean.java:1
    61)
    [7]
    com.nps.ers.ejb.login.LoginSessionBeanEOImpl.getUserStatus(LoginSessionBeanE
    OImpl.java:212)
    [8]
    com.nps.ers.ejb.login.LoginSessionBeanEOImpl_ServiceStub.getUserStatus(Login
    SessionBeanEOImpl_ServiceStub.java:554)
    [9]
    com.nps.ers.servlet.LoginRequest.processLoginRequest(LoginRequest.java:248)
    [10] com.nps.ers.servlet.LoginRequest.getNextPage(LoginRequest.java:90)
    [11] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [12] com.nps.common.servlet.BaseServlet.doGet(BaseServlet.java:124)
    [13] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [14] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [15]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [16]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [17]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [18]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [19] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [20] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-14" (TID:0xa8f4c0, sys_thread_t:0xa8f400, state:CW, thread_t:
    t@25, threadID:0xd97b1dc8, stack_bottom:0xd97b2000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2] weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4] weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getCashWithinD
    ays(ERSSystemConfigurationBeanEOImpl.java:1231)
    [6]
    com.nps.ers.ejb.awardnomination.AwardNominationBean.getAwardNominationNotifi
    cationStates(AwardNominationBean.java:772)
    [7]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl.getAwardNomination
    NotificationStates(AwardNominationBeanEOImpl.java:247)
    [8]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl_ServiceStub.getAwa
    rdNominationNotificationStates(AwardNominationBeanEOImpl_ServiceStub.java:41
    5)
    [9]
    com.nps.ers.servlet.AwardNominationRequest.nominate(AwardNominationRequest.j
    ava:1339)
    [10]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [12] com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [13] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [14] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [15] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [16]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [17]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [18]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [19]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [20] weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [21] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-13" (TID:0xa194f0, sys_thread_t:0xa19430, state:CW, thread_t:
    t@24, threadID:0xd97e1dc8, stack_bottom:0xd97e2000, stack_size:0x20000)
    prio=5
    [1] weblogic.common.internal.DynaQueue.getW(DynaQueue.java:219)
    [2] weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [3] weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [4] weblogic.t3.srvr.E

    Can you post details on this instrumentation?
    I know in the past when we ran into this type of problem, it took us a while
    to think through and identify the problems.
    Thanks,
    Gary
    Rob Woollen <[email protected]> wrote in message
    news:[email protected]...
    Generally this indicates a deadlock in the order that you access your
    entity beans. Please follow-up with [email protected]. There is
    some instrumentation that you can turn on to help spot why this is
    occurring.
    -- Rob
    Sandeep Giri wrote:
    Hi
    While running stress tests on our application, our WLS 4.5.1 hangs even
    at a
    mere load of 20 users. We are running on a Solaris machine. Database:Oracle
    8.1.5, running on the same machine. Usingoracle.jdbc.driver.OracleDriver as
    the JDBC driver, and using JTS as the transaction manager.
    When we did a thread dump (complete lis at the end of this post) and
    basically we are seeing a bunch of our entity beans in a "locked" state.A
    common pattern we see in the thread dumps is that
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2]weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4]weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5] com.nps.ers.ejb.organization.<Our Entiy Bean>EOImpl.<a get
    method>(ERSSystemConfigurationBeanEOImpl.java:1539)
    [6] com.nps.ers.ejb.awardnomination.<Our entity bean>.<some method>
    After more thorough studying of EJB transactions, we changed theisolation
    level of all our beans from TRANSACTION_SERIALIZED to
    TRANSACTION_READ_COMMITTED and made sure all our beans say TX_REQUIREDfor
    their transactionAttribue. Still, this problem persists.
    The basic scenario we are load testing is that of multiple users logging
    into the system and trying to access a particular user's record, andright
    now, this is causing deadlocks at 20 users.
    What we fail to understand is that --
    (a) even if a method is attempting a read-only access to the data, whywould
    it try to obtain a lock? or why would it matter that the data is locked?
    Some of the locks we are seeing are actually on a bean that is used for
    read-only purposes.
    (b) if 2 or more processes are trying to access the same record, basedon
    whichever process got their first, shouldn't one succeed, and the othergo
    into a 'waiting' state?
    We have also opened this issue with weblogic support, and the responseso
    far has been that there "may" be a bug in weblogic 4.5.1 itself that's
    causing it, and they need to look into it further. Other similar postsin
    the newsgroup haven't been resolved either -- hence this general pleafor
    help. Please advise if you've any suggestions. Thanks
    Sandeep
    ---------------------------Complete Thread DumpListing -------------------
    >>
    "HighPriority TimeEventGenerator" (TID:0x1488278,sys_thread_t:0x14881b8,
    state:CW, thread_t: t@46, threadID:0xd9271dc8, stack_bottom:0xd9272000,
    stack_size:0x20000) prio=9
    [1] weblogic.time.common.internal.TimeTable.snooze(TimeTable.java:249)
    [2]
    weblogic.time.common.internal.TimeEventGenerator.run(TimeEventGenerator.java
    :143)
    [3] java.lang.Thread.run(Thread.java:479)
    "SSLListenThread" (TID:0x1588220, sys_thread_t:0x1588160, state:R,thread_t:
    t@45, threadID:0xd9321dc8, stack_bottom:0xd9322000, stack_size:0x20000)
    prio=5
    [1] java.net.PlainSocketImpl.socketAccept(Native Method)
    [2] java.net.PlainSocketImpl.accept(PlainSocketImpl.java:406)
    [3] java.net.ServerSocket.implAccept(ServerSocket.java:240)
    [4] java.net.ServerSocket.accept(ServerSocket.java:224)
    [5]
    weblogic.security.SSL.SSLServerSocket.acceptNoHandshake(SSLServerSocket.java
    :121)
    [6]weblogic.security.SSL.SSLServerSocket.accept(SSLServerSocket.java:112)
    [7] weblogic.t3.srvr.ListenThread.run(ListenThread.java:230)
    "ListenThread" (TID:0x15f7d48, sys_thread_t:0x15f7c88, state:R,thread_t:
    t@44, threadID:0xd92a1dc8, stack_bottom:0xd92a2000, stack_size:0x20000)
    prio=5
    [1] java.net.PlainSocketImpl.socketAccept(Native Method)
    [2] java.net.PlainSocketImpl.accept(PlainSocketImpl.java:406)
    [3] java.net.ServerSocket.implAccept(ServerSocket.java:238)
    [4] java.net.ServerSocket.accept(ServerSocket.java:223)
    [5] weblogic.t3.srvr.ListenThread.run(ListenThread.java:230)
    "ExecuteThread-29" (TID:0xad1c90, sys_thread_t:0xad1bd0, state:CW,thread_t:
    t@40, threadID:0xd94e1dc8, stack_bottom:0xd94e2000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2]weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4]weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]com.nps.ers.ejb.user.UserBeanEOImpl.display(UserBeanEOImpl.java:1384)
    [6]
    com.nps.ers.ejb.awardnomination.AwardNominationBean.updatePointsUsed(AwardNo
    minationBean.java:1530)
    [7]
    com.nps.ers.ejb.awardnomination.AwardNominationBean.nominate(AwardNomination
    Bean.java:1279)
    [8]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl.nominate(AwardNomi
    nationBeanEOImpl.java:282)
    [9]
    com.nps.ers.ejb.awardnomination.AwardNominationBeanEOImpl_ServiceStub.nomina
    te(AwardNominationBeanEOImpl_ServiceStub.java:811)
    [10]
    com.nps.ers.servlet.AwardNominationRequest.nominate(AwardNominationRequest.j
    ava:1339)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [13]com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [14] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [15] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [16] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [17]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [18]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [19]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [20]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [21]weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [22] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-28" (TID:0xad1a78, sys_thread_t:0xad19b8, state:CW,thread_t:
    t@39, threadID:0xd9511dc8, stack_bottom:0xd9512000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2]weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4]weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getEMTRoleId(E
    RSSystemConfigurationBeanEOImpl.java:1539)
    [6]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBean.checkEMT(ApproverSelec
    tionBean.java:473)
    [7]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl.checkEMT(Approve
    rSelectionBeanEOImpl.java:71)
    [8]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl_ServiceStub.chec
    kEMT(ApproverSelectionBeanEOImpl_ServiceStub.java:501)
    [9]
    com.nps.ers.servlet.NortelApproverSelection.updateApproverList(NortelApprove
    rSelection.java:87)
    [10]
    com.nps.ers.servlet.NortelApproverSelection.getApproverList(NortelApproverSe
    lection.java:62)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getApprovers(AwardNominationReque
    st.java:1412)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.previewNominate(AwardNominationRe
    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15]com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [21]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [22]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [23]weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [24] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-27" (TID:0xad1678, sys_thread_t:0xad15b8, state:CW,thread_t:
    t@38, threadID:0xd9541dc8, stack_bottom:0xd9542000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2]weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4]weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getEMTRoleId(E
    RSSystemConfigurationBeanEOImpl.java:1539)
    [6]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBean.checkEMT(ApproverSelec
    tionBean.java:473)
    [7]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl.checkEMT(Approve
    rSelectionBeanEOImpl.java:71)
    [8]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl_ServiceStub.chec
    kEMT(ApproverSelectionBeanEOImpl_ServiceStub.java:501)
    [9]
    com.nps.ers.servlet.NortelApproverSelection.updateApproverList(NortelApprove
    rSelection.java:87)
    [10]
    com.nps.ers.servlet.NortelApproverSelection.getApproverList(NortelApproverSe
    lection.java:62)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getApprovers(AwardNominationReque
    st.java:1412)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.previewNominate(AwardNominationRe
    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15]com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [21]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [22]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [23]weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [24] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-26" (TID:0xac84e8, sys_thread_t:0xac8428, state:CW,thread_t:
    t@37, threadID:0xd9571dc8, stack_bottom:0xd9572000, stack_size:0x20000)
    prio=5
    [1] weblogic.common.internal.DynaQueue.getW(DynaQueue.java:219)
    [2]weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [3]weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [4] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-25" (TID:0xab7d50, sys_thread_t:0xab7c90, state:CW,thread_t:
    t@36, threadID:0xd95a1dc8, stack_bottom:0xd95a2000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2]weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4]weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getEMTRoleId(E
    RSSystemConfigurationBeanEOImpl.java:1539)
    [6]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBean.checkEMT(ApproverSelec
    tionBean.java:473)
    [7]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl.checkEMT(Approve
    rSelectionBeanEOImpl.java:71)
    [8]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl_ServiceStub.chec
    kEMT(ApproverSelectionBeanEOImpl_ServiceStub.java:501)
    [9]
    com.nps.ers.servlet.NortelApproverSelection.updateApproverList(NortelApprove
    rSelection.java:87)
    [10]
    com.nps.ers.servlet.NortelApproverSelection.getApproverList(NortelApproverSe
    lection.java:62)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getApprovers(AwardNominationReque
    st.java:1412)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.previewNominate(AwardNominationRe
    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15]com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [21]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [22]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [23]weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [24] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-24" (TID:0xab9b60, sys_thread_t:0xab9aa0, state:CW,thread_t:
    t@35, threadID:0xd95d1dc8, stack_bottom:0xd95d2000, stack_size:0x20000)
    prio=5
    [1] weblogic.common.internal.DynaQueue.getW(DynaQueue.java:219)
    [2]weblogic.socket.JavaSocketMuxer.processSockets(JavaSocketMuxer.java:212)
    [3]weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:19)
    [4] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-23" (TID:0xab9948, sys_thread_t:0xab9888, state:CW,thread_t:
    t@34, threadID:0xd9601dc8, stack_bottom:0xd9602000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2]weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4]weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]com.nps.ers.ejb.user.UserBeanEOImpl.getUserId(UserBeanEOImpl.java:182)
    [6]
    com.nps.ers.ejb.login.LoginSessionBean.getUserStatus(LoginSessionBean.java:1
    61)
    [7]
    com.nps.ers.ejb.login.LoginSessionBeanEOImpl.getUserStatus(LoginSessionBeanE
    OImpl.java:212)
    [8]
    com.nps.ers.ejb.login.LoginSessionBeanEOImpl_ServiceStub.getUserStatus(Login
    SessionBeanEOImpl_ServiceStub.java:554)
    [9]
    com.nps.ers.servlet.LoginRequest.processLoginRequest(LoginRequest.java:248)
    [10] com.nps.ers.servlet.LoginRequest.getNextPage(LoginRequest.java:90)
    [11]com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [12] com.nps.common.servlet.BaseServlet.doGet(BaseServlet.java:124)
    [13] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [14] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [15]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [16]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:259)
    [17]
    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
    l.java:244)
    [18]
    weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:353)
    [19]weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:247)
    [20] weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:94)
    "ExecuteThread-22" (TID:0xabcc20, sys_thread_t:0xabcb60, state:CW,thread_t:
    t@33, threadID:0xd9631dc8, stack_bottom:0xd9632000, stack_size:0x20000)
    prio=5
    [1] weblogic.ejb.internal.BaseEJBContext.lock(BaseEJBContext.java:180)
    [2]weblogic.ejb.internal.StatefulEJBCache.bind(StatefulEJBCache.java:250)
    [3]
    weblogic.ejb.internal.StatefulEJBObject.getContextForInvoke(StatefulEJBObjec
    t.java:88)
    [4]weblogic.ejb.internal.BaseEJBObject.preInvoke(BaseEJBObject.java:164)
    [5]
    com.nps.ers.ejb.organization.ERSSystemConfigurationBeanEOImpl.getEMTRoleId(E
    RSSystemConfigurationBeanEOImpl.java:1539)
    [6]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBean.checkEMT(ApproverSelec
    tionBean.java:473)
    [7]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl.checkEMT(Approve
    rSelectionBeanEOImpl.java:71)
    [8]
    com.nps.ers.ejb.awardnomination.ApproverSelectionBeanEOImpl_ServiceStub.chec
    kEMT(ApproverSelectionBeanEOImpl_ServiceStub.java:501)
    [9]
    com.nps.ers.servlet.NortelApproverSelection.updateApproverList(NortelApprove
    rSelection.java:87)
    [10]
    com.nps.ers.servlet.NortelApproverSelection.getApproverList(NortelApproverSe
    lection.java:62)
    [11]
    com.nps.ers.servlet.AwardNominationRequest.getApprovers(AwardNominationReque
    st.java:1412)
    [12]
    com.nps.ers.servlet.AwardNominationRequest.previewNominate(AwardNominationRe
    quest.java:1096)
    [13]
    com.nps.ers.servlet.AwardNominationRequest.processNextPage(AwardNominationRe
    quest.java:276)
    [14]
    com.nps.ers.servlet.AwardNominationRequest.getNextPage(AwardNominationReques
    t.java:109)
    [15]com.nps.common.servlet.BaseServlet.handleRequest(BaseServlet.java:245)
    [16] com.nps.common.servlet.BaseServlet.doPost(BaseServlet.java:184)
    [17] javax.servlet.http.HttpServlet.service(HttpServlet.java:708)
    [18] javax.servlet.http.HttpServlet.service(HttpServlet.java:835)
    [19]
    weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
    :75)
    [20]
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    weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
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    Best Regards,
    Chris

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