ConcurrentModificationException when using jcifs.smb.SmbSession.logon

We recently migrated our intranet from Apache to the WAS 640 environment (SP14). We are getting the following intermittent error when users initially navigate to the intranet:
[code]#1.5#00096B6B4AFD004700000064004E800C00040C4C8A3AD7CD#1139422783002#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#pcbp.com/PCBPOnline_APP#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#J2EE_GUEST#786####79cd709098cf11da81e400096b6b4afd#SAPEngine_Application_Thread[impl:3]_12##0#0#Error#1#/System/Server/WebRequests#Plain###Processing HTTP request to servlet [jsp] finished with error.
The error is: java.util.ConcurrentModificationException: null
Exception id: [00096B6B4AFD004700000062004E800C00040C4C8A3AD587]#
#1.5#00096B6B4AFD004700000065004E800C00040C4CA09ADC09#1139423158393#com.sap.engine.services.servlets_jsp.client.RequestInfoServer#pcbp.com/PCBPOnline_APP#com.sap.engine.services.servlets_jsp.client.RequestInfoServer#J2EE_GUEST#786####598db69098d011daa8a700096b6b4afd#SAPEngine_Application_Thread[impl:3]_12##0#0#Error##Plain###Processing HTTP request to servlet [jsp] finished with error. The error is: java.util.ConcurrentModificationException
     at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java(Inlined Compiled Code))
     at java.util.LinkedList$ListItr.next(LinkedList.java(Compiled Code))
     at jcifs.smb.SmbTransport.getSmbSession(SmbTransport.java(Compiled Code))
     at jcifs.smb.SmbSession.logon(SmbSession.java(Compiled Code))
     at jcifs.smb.SmbSession.logon(SmbSession.java(Inlined Compiled Code))
     at com.pcbp.util.NTLMSecurity.doFilter(NTLMSecurity.java(Compiled Code))
     at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java(Compiled Code))
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java(Compiled Code))
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java(Compiled Code))
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java(Inlined Compiled Code))
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java(Compiled Code))
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java(Compiled Code))
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java(Compiled Code))
     at com.sap.engine.services.httpserver.server.Client.handle(Client.java(Inlined Compiled Code))
     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java(Compiled Code))
     at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java(Compiled Code))
     at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java(Compiled Code))
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java(Compiled Code))
     at java.security.AccessController.doPrivileged1(Native Method)
     at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java(Compiled Code))
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java(Compiled Code))[/code]
If the user presses refresh or navigates to the url again, the problem disappears. It happens to one particular user every morning, the first time he tries to open the intranet. Other user's it only happens to every once in a while. Has anyone experienced this error before and if so, is there a fix for it?

The error "jcifs.smb.SmbException: Connection refused: connect" is the root cause here, looks like for some reason your jcifs client can't connect to the server and that is causing the app server to show an 500 internal server error message.
Rob
Team JDev

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OLAP Analytic Workspace is VALID at version 11.1.0.6.0
Oracle OLAP API is VALID at version 11.1.0.6.0
############# XDBCONFIG INFORMATION #############
acl-max-age= = = 15
acl-cache-size= = = 32
case-sensitive= = = true
call-timeout= = = 6000
max-link-queue= = = 65536
max-session-use= = = 100
persistent-sessions= = = false
default-lock-timeout= = = 3600
xdbcore-logfile-path= = = /sys/log/xdblog.xml
xdbcore-log-level= = = 0
resource-view-cache-size= = = 1048576
extension= = = au
mime-type= = = audio/basic
extension= = = avi
mime-type= = = video/x-msvideo
extension= = = bin
mime-type= = = application/octet-stream
extension= = = bmp
mime-type= = = image/bmp
extension= = = css
mime-type= = = text/css
extension= = = doc
mime-type= = = application/msword
extension= = = eml
mime-type= = = message/rfc822
extension= = = gif
mime-type= = = image/gif
extension= = = htm
mime-type= = = text/html
extension= = = html
mime-type= = = text/html
extension= = = jpe
mime-type= = = image/jpeg
extension= = = jpeg
mime-type= = = image/jpeg
extension= = = jpg
mime-type= = = image/jpeg
extension= = = js
mime-type= = = application/x-javascript
extension= = = jsp
mime-type= = = text/html
extension= = = mid
mime-type= = = audio/mid
extension= = = mov
mime-type= = = video/quicktime
extension= = = movie
mime-type= = = video/x-sgi-movie
extension= = = mp3
mime-type= = = audio/mpeg
extension= = = mpe
mime-type= = = video/mpg
extension= = = mpeg
mime-type= = = video/mpg
extension= = = mpg
mime-type= = = video/mpg
extension= = = msa
mime-type= = = application/x-msaccess
extension= = = msw
mime-type= = = application/x-msworks-wp
extension= = = pcx
mime-type= = = application/x-pc-paintbrush
extension= = = pdf
mime-type= = = application/pdf
extension= = = png
mime-type= = = image/png
extension= = = ppt
mime-type= = = application/vnd.ms-powerpoint
extension= = = ps
mime-type= = = application/postscript
extension= = = qt
mime-type= = = video/quicktime
extension= = = ra
mime-type= = = audio/x-realaudio
extension= = = ram
mime-type= = = audio/x-realaudio
extension= = = rm
mime-type= = = audio/x-realaudio
extension= = = rtf
mime-type= = = application/rtf
extension= = = rv
mime-type= = = video/x-realvideo
extension= = = sgml
mime-type= = = text/sgml
extension= = = svg
mime-type= = = image/svg+xml
extension= = = tif
mime-type= = = image/tiff
extension= = = tiff
mime-type= = = image/tiff
extension= = = txt
mime-type= = = text/plain
extension= = = url
mime-type= = = text/plain
extension= = = vrml
mime-type= = = x-world/x-vrml
extension= = = wav
mime-type= = = audio/wav
extension= = = wpd
mime-type= = = application/wordperfect5.1
extension= = = xls
mime-type= = = application/vnd.ms-excel
extension= = = xml
mime-type= = = text/xml
extension= = = xsd
mime-type= = = text/xml
extension= = = xsl
mime-type= = = text/xml
extension= = = zip
mime-type= = = application/x-zip-compressed
extension= = = htc
mime-type= = = text/x-component
extension= = = xbl
mime-type= = = text/xml
extension= = = en
lang= = = english
extension= = = gzip
encoding= = = zip file
extension= = = tar
encoding= = = tar file
session-pool-size= = = 50
session-timeout= = = 6000
ftp-port= = = 0
ftp-listener= = = local_listener
ftp-protocol= = = tcp
logfile-path= = = /sys/log/ftplog.xml
log-level= = = 0
session-timeout= = = 6000
buffer-size= = = 8192
http-port= = = 80
http-listener= = = local_listener
http-protocol= = = tcp
max-http-headers= = = 64
max-header-size= = = 16384
max-request-body= = = 2000000000
session-timeout= = = 6000
server-name= = = XDB HTTP Server
logfile-path= = = /sys/log/httplog.xml
log-level= = = 0
servlet-realm= = = Basic realm="XDB"
welcome-file= = = index.html
welcome-file= = = index.htm
servlet-pattern= = = /Test
servlet-name= = = TestServlet
servlet-pattern= = = /oradb/*
servlet-name= = = DBURIServlet
servlet-pattern= = = /orarep/*
servlet-name= = = ReportFmwkServlet
servlet-pattern= = = /i/*
servlet-name= = = PublishedContentServlet
servlet-pattern= = = /apex/*
servlet-name= = = APEX
servlet-pattern= = = /images/*
servlet-name= = = IMAGES
servlet-name= = = TestServlet
servlet-language= = = Java
display-name= = = XDB Test Servlet
description= = = A servlet to test the internals of the XDB Servlet API
servlet-class= = = xdbtserv
servlet-schema= = = xdb
servlet-name= = = DBURIServlet
servlet-language= = = C
display-name= = = DBURI
description= = = Servlet for accessing DBURIs
role-name= = = authenticatedUser
role-link= = = authenticatedUser
servlet-name= = = ReportFmwkServlet
servlet-language= = = C
display-name= = = REPT
description= = = Servlet for accessing reports
role-name= = = authenticatedUser
role-link= = = authenticatedUser
servlet-name= = = PublishedContentServlet
servlet-language= = = C
display-name= = = Unauthenticated File Access Servlet
description= = = Servlet for files for unauthenticated users
param-name= = = RootFolder
param-value= = = /images
description= = = RootFolder
role-name= = = anonymousServletRole
role-link= = = anonymousServletRole
servlet-name= = = APEX
servlet-language= = = PL/SQL
display-name= = = APEX
database-username= = = ANONYMOUS
default-page= = = apex
document-table-name= = = wwv_flow_file_objects$
document-path= = = docs
document-procedure= = = wwv_flow_file_mgr.process_download
nls-language= = = american_america.al32utf8
request-validation-function= = = wwv_flow_epg_include_modules.authorize
role-name= = = anonymousServletRole
role-link= = = anonymousServletRole
servlet-name= = = IMAGES
servlet-language= = = PL/SQL
display-name= = = IMAGES
database-username= = = APS
role-name= = = anonymousServletRole
role-link= = = anonymousServletRole
allow-mechanism= = = basic
nonce-timeout= = = 300
xdbcore-xobmem-bound= = = 1024
xdbcore-loadableunit-size= = = 16
acl-evaluation-method= = = ace-order
############# XMLTYPE Tables #############
XDB has 1 XMLTYPE TABLES stored as CLOB
XDB has 24 XMLTYPE TABLES stored as OBJECT-RELATIONAL
XDB has 11 XMLTYPE TABLES stored as BINARY
############# XMLTYPE Columns #############
XDB has 3 XMLTYPE Columns stored as CLOB
MDSYS has 24 XMLTYPE Columns stored as CLOB
SYS has 1 XMLTYPE Columns stored as CLOB
ORDSYS has 9 XMLTYPE Columns stored as CLOB
############# XMLTYPE Views #############
############# XMLTYPE INDEXES #############
XDB has 1 XMLTYPE Indexes of type CSX
############# Items built with XML API's #############
PACKAGE BODY FLOWS_030100.WWV_FLOW_XLIFF
PACKAGE BODY FLOWS_030000.WWV_FLOW_XLIFF
PACKAGE BODY MDSYS.SDO_WFS_PROCESS
PACKAGE BODY EXFSYS.DBMS_RLMGR_DR
PACKAGE BODY FLOWS_030100.WWV_FLOW_DATALOAD_XML
PACKAGE BODY MDSYS.SDO_OLS
PACKAGE BODY FLOWS_030000.WWV_FLOW_DATALOAD_XML
PACKAGE BODY FLOWS_030100.WWV_FLOW_XLIFF
PACKAGE BODY FLOWS_030000.WWV_FLOW_XLIFF
PACKAGE BODY EXFSYS.DBMS_RLMGR_DR
PACKAGE BODY XDB.DBMS_XSLPROCESSOR
PACKAGE BODY XDB.DBMS_XMLPARSER
PACKAGE BODY FLOWS_030100.WWV_FLOW_XLIFF
PACKAGE BODY XDB.DBMS_CSX_INT
PACKAGE BODY FLOWS_030000.WWV_FLOW_XLIFF
PACKAGE BODY EXFSYS.DBMS_RLMGR_DR
PACKAGE BODY XDB.DBMS_XDB
PACKAGE BODY XDB.DBMS_XDBRESOURCE
PACKAGE BODY XDB.DBMS_XMLDOM
PACKAGE XDB.DBMS_XSLPROCESSOR
PACKAGE XDB.DBMS_XMLPARSER
PACKAGE XDB.DBMS_XDBRESOURCE
PACKAGE BODY XDB.DBMS_XMLDOM
PACKAGE BODY XDB.DBMS_XMLINDEX
PACKAGE BODY XDB.DBMS_XMLPARSER
PACKAGE BODY XDB.DBMS_XMLPARSER
PACKAGE BODY XDB.DBMS_XMLSCHEMA
PACKAGE BODY XDB.DBMS_XMLSCHEMA
PACKAGE BODY XDB.DBMS_XMLSCHEMA_INT
PACKAGE BODY XDB.DBMS_XMLTRANSLATIONS
PACKAGE BODY XDB.DBMS_XSLPROCESSOR
PACKAGE BODY XDB.DBMS_XMLPARSER
PACKAGE BODY XDB.DBMS_CSX_INT
PACKAGE BODY XDB.DBMS_XMLDOM
PACKAGE BODY XDB.DBMS_XSLPROCESSOR
############# XML SCHEMAS #############
MDSYS has 4 registered.
EXFSYS has 2 registered.
ORDSYS has 17 registered.
XDB has 25 registered.
SYS has 43 registered.
############# Repository Resources #############
MDSYS has 9 resources.
EXFSYS has 3 resources.
ORDSYS has 20 resources.
XDB has 28 resources.
SYS has 12634 resources.
############# Network ACLs Configured #############
mail.4aps.be has network acls configured for ports 25 through 25
* has network acls configured for ports through
* has network acls configured for ports through
############# DBMS_EPG DAD USAGE #############
APEX
IMAGES

Hi Jules,
You need a user with XDBADMIN rights to access the WebDav. Once you have access, you can open the URL as webfolder (in IE).
Regards,
Christian

Many problems of memory, when using the workbench - LC 8.2

Hello,
I have many problems memory, when using the workbench.
When a try to add a component in the workbench, I get an outOfMemoreException in the log file. There is an error message in a popup in the workbench.
My configuration:
Hardware: Intel Core 2 Quad - Q9550 - 2.83 Ghz - 4Go of RAM - 32 bits (this is a new workstation computer).
Software: Windows XP pro service pack 3.
JBoss for Adobe LiveCycle ES - Jboss Livecycle version 8.2 with SP2 of LiveCycle ES and Workbench.
MySQL for Adobe LiveCycle ES
Here is my workbench.ini file - the beginning:
-vmargs
-Xms128M
-Xmx512M
-XX:MinHeapFreeRatio=40
-XX:MaxPermSize=512M
Here is my log file from the workbench.
!SESSION 2009-05-20 14:44:12.435 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.5.0_11
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=fr_CH
Framework arguments: #Product Runtime Configuration File
Command-line arguments: -os win32 -ws win32 -arch x86 #Product Runtime Configuration File
!ENTRY com.adobe.ide.singlesignon 1 1 2009-05-20 14:44:13.638
!MESSAGE LiveCycle Workbench ES version '8.2.1.2'
!ENTRY org.eclipse.ui 4 4 2009-05-20 14:44:14.700
!MESSAGE Invalid Menu Extension (Path is invalid): org.eclipse.ui.edit.text.gotoLastEditPosition
!ENTRY com.adobe.DSC_Admin_UI 4 4 2009-05-20 14:44:34.746
!MESSAGE failed to retrieve list of components
!STACK 0
ALC-DSC-000-000: com.adobe.idp.dsc.DSCRuntimeException: Internal error.
    at com.adobe.idp.dsc.provider.impl.soap.axis.sdk.SoapAxisDispatcher.throwExceptionHandler(So apAxisDispatcher.java:207)
    at com.adobe.idp.dsc.provider.impl.soap.axis.sdk.SoapAxisDispatcher.doSend(SoapAxisDispatche r.java:125)
    at com.adobe.idp.dsc.provider.impl.base.AbstractMessageDispatcher.send(AbstractMessageDispat cher.java:57)
    at com.adobe.idp.dsc.clientsdk.ServiceClient.invoke(ServiceClient.java:208)
    at com.adobe.idp.dsc.registry.component.client.ComponentRegistryClient.invoke(ComponentRegis tryClient.java:373)
    at com.adobe.idp.dsc.registry.component.client.ComponentRegistryClient.getComponents(Compone ntRegistryClient.java:63)
    at com.adobe.dsc.contentprovider.MixedRegistryContentProvider$RegistryRootEntry.getChildren( MixedRegistryContentProvider.java:150)
    at com.adobe.dsc.contentprovider.MixedRegistryContentProvider.getChildren(MixedRegistryConte ntProvider.java:575)
    at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1166)
    at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:768)
    at org.eclipse.jface.viewers.AbstractTreeViewer.getFilteredChildren(AbstractTreeViewer.java: 574)
    at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:54 3)
    at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:728)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
    at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:705)
    at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:892)
    at org.eclipse.jface.viewers.AbstractTreeViewer.setExpandedState(AbstractTreeViewer.java:220 1)
    at com.adobe.dsc.contentprovider.MixedRegistryContentProvider.userLoggedIn(MixedRegistryCont entProvider.java:619)
    at com.adobe.ide.singlesignon.LoginChangeProgressMonitor.run(Unknown Source)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:369)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:313)
    at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:479)
    at com.adobe.ide.singlesignon.IDESession.notifyListenersOfLogin(Unknown Source)
    at com.adobe.ide.singlesignon.IDESession.localLogin(Unknown Source)
    at com.adobe.ide.singlesignon.IDESession.access$000(Unknown Source)
    at com.adobe.ide.singlesignon.IDESession$1.run(Unknown Source)
    at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:152)
    at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:28)
    at org.eclipse.swt.widgets.Display.syncExec(Display.java:3763)
    at com.adobe.ide.singlesignon.IDESession.login(Unknown Source)
    at com.adobe.common.ui.controls.LoginInfoPanel$1.widgetSelected(LoginInfoPanel.java:63)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:952)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:937)
    at org.eclipse.swt.widgets.Link.wmNotifyChild(Link.java:923)
    at org.eclipse.swt.widgets.Control.WM_NOTIFY(Control.java:3794)
    at org.eclipse.swt.widgets.Composite.WM_NOTIFY(Composite.java:1166)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:3298)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)
    at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
    at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:1851)
    at org.eclipse.swt.widgets.Link.callWindowProc(Link.java:124)
    at org.eclipse.swt.widgets.Widget.wmLButtonUp(Widget.java:1807)
    at org.eclipse.swt.widgets.Control.WM_LBUTTONUP(Control.java:3587)
    at org.eclipse.swt.widgets.Link.WM_LBUTTONUP(Link.java:773)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:3280)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)
    at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1932)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2966)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1930)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1894)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at com.adobe.lcide.rcp.Application.run(Unknown Source)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLau ncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.jav a:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)
Caused by: java.lang.OutOfMemoryError: Java heap space; nested exception is:
    java.lang.OutOfMemoryError: Java heap space
    at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:221)
    at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:128)
    at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:10 87)
    at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
    at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch( Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
    at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
    at javax.xml.parsers.SAXParser.parse(Unknown Source)
    at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
    at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
    at org.apache.axis.Message.getSOAPEnvelope(Message.java:424)
    at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
    at org.apache.axis.client.Call.invokeEngine(Call.java:2765)
    at org.apache.axis.client.Call.invoke(Call.java:2748)
    at org.apache.axis.client.Call.invoke(Call.java:2424)
    at org.apache.axis.client.Call.invoke(Call.java:2347)
    at org.apache.axis.client.Call.invoke(Call.java:1804)
    at com.adobe.idp.dsc.provider.impl.soap.axis.sdk.SoapAxisDispatcher.doSend(SoapAxisDispatche r.java:123)
    ... 68 more
!ENTRY com.adobe.ide.singlesignon 1 1 2009-05-20 14:44:37.871
!MESSAGE User 'administrator' logged in to server 'Livecycle ES - localhost' (hostname: 'localhost')
!ENTRY com.adobe.DSC_Admin_UI 4 4 2009-05-20 14:44:56.792
!MESSAGE failed to retrieve list of components
!STACK 0
ALC-DSC-000-000: com.adobe.idp.dsc.DSCRuntimeException: Internal error.
    at com.adobe.idp.dsc.provider.impl.soap.axis.sdk.SoapAxisDispatcher.throwExceptionHandler(So apAxisDispatcher.java:207)
    at com.adobe.idp.dsc.provider.impl.soap.axis.sdk.SoapAxisDispatcher.doSend(SoapAxisDispatche r.java:125)
    at com.adobe.idp.dsc.provider.impl.base.AbstractMessageDispatcher.send(AbstractMessageDispat cher.java:57)
    at com.adobe.idp.dsc.clientsdk.ServiceClient.invoke(ServiceClient.java:208)
    at com.adobe.idp.dsc.registry.component.client.ComponentRegistryClient.invoke(ComponentRegis tryClient.java:373)
    at com.adobe.idp.dsc.registry.component.client.ComponentRegistryClient.getComponents(Compone ntRegistryClient.java:63)
    at com.adobe.dsc.contentprovider.MixedRegistryContentProvider$RegistryRootEntry.getChildren( MixedRegistryContentProvider.java:150)
    at com.adobe.dsc.contentprovider.MixedRegistryContentProvider.getChildren(MixedRegistryConte ntProvider.java:575)
    at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1166)
    at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:768)
    at org.eclipse.jface.viewers.AbstractTreeViewer.getFilteredChildren(AbstractTreeViewer.java: 574)
    at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:54 3)
    at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:728)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
    at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:705)
    at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:892)
    at org.eclipse.jface.viewers.AbstractTreeViewer.handleTreeExpand(AbstractTreeViewer.java:125 1)
    at org.eclipse.jface.viewers.AbstractTreeViewer$4.treeExpanded(AbstractTreeViewer.java:1263)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:181)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:952)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:937)
    at org.eclipse.swt.widgets.Tree.wmNotifyChild(Tree.java:6343)
    at org.eclipse.swt.widgets.Control.WM_NOTIFY(Control.java:3794)
    at org.eclipse.swt.widgets.Composite.WM_NOTIFY(Composite.java:1166)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:3298)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)
    at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
    at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:1851)
    at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java:1321)
    at org.eclipse.swt.widgets.Tree.WM_LBUTTONDOWN(Tree.java:5203)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:3279)
    at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:4783)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)
    at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1932)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2966)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1930)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1894)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at com.adobe.lcide.rcp.Application.run(Unknown Source)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLau ncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.jav a:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)
Caused by: java.lang.OutOfMemoryError: Java heap space; nested exception is:
    java.lang.OutOfMemoryError: Java heap space
    at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:221)
    at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:128)
    at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:10 87)
    at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
    at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch( Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
    at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
    at javax.xml.parsers.SAXParser.parse(Unknown Source)
    at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
    at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
    at org.apache.axis.Message.getSOAPEnvelope(Message.java:424)
    at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
    at org.apache.axis.client.Call.invokeEngine(Call.java:2765)
    at org.apache.axis.client.Call.invoke(Call.java:2748)
    at org.apache.axis.client.Call.invoke(Call.java:2424)
    at org.apache.axis.client.Call.invoke(Call.java:2347)
    at org.apache.axis.client.Call.invoke(Call.java:1804)
    at com.adobe.idp.dsc.provider.impl.soap.axis.sdk.SoapAxisDispatcher.doSend(SoapAxisDispatche r.java:123)
    ... 54 more
Please, can you tell me if you have met thist problem. How didi you solve it ?
Thank you in advance.
ECI

Hello,
I did what you told:
- the mysql Jar version was already the mysql-connector-java-5.1.6-bin.jar (may be due to update SP2),
- I changed to adobe-ds.xml file,
- I tried to launch the workbench with -Xmx512m in the command line.
Here is the result:
1- the launch of the workbench isa bit faster.
2- when I try to login with the administrator account, it takes a long while. Then I get an error: I can not logon to the livecycle ES server from the workbench. The message is "Authentication for user administrator on server ... failed, please retry".
In my log file, I get the following.
eclipse.buildId=unknown
java.version=1.5.0_12
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=fr_CH
Framework arguments: #Product Runtime Configuration File -Xmx512m
Command-line arguments: -os win32 -ws win32 -arch x86 #Product Runtime Configuration File -Xmx512m
!ENTRY com.adobe.ide.singlesignon 1 1 2009-05-25 15:17:37.780
!MESSAGE LiveCycle Workbench ES version '8.2.1.2'
!ENTRY org.eclipse.ui 4 4 2009-05-25 15:17:38.827
!MESSAGE Invalid Menu Extension (Path is invalid): org.eclipse.ui.edit.text.gotoLastEditPosition
!ENTRY com.adobe.ide.singlesignon 4 4 2009-05-25 15:19:26.874
!MESSAGE login failed
I also got another error message - with another configuration when triying to launch the workbench with JRE 1.6.0.12 (I hoped for better performance when replacing the JRE folder) :
!ENTRY com.adobe.ide.singlesignon 4 4 2009-05-25 15:02:46.942
!MESSAGE login failed
!STACK 0
com.adobe.ide.singlesignon.exceptions.IDEServerError: ALC-DSC-000-000: com.adobe.idp.dsc.DSCRuntimeException: Internal error.
at com.adobe.ide.singlesignon.utils.DSInstance.authenticate(Unknown Source)
Caused by: ALC-DSC-000-000: com.adobe.idp.dsc.DSCRuntimeException: Internal error.
at com.adobe.idp.dsc.provider.impl.soap.axis.sdk.SoapAxisDispatcher.throwExceptionHandler(So apAxisDispatcher.java:207)
Caused by: (404)/soap/sdk
at org.apache.axis.transport.http.HTTPSender.readFromSocket(HTTPSender.java:744)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:144)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
I also tried to to logon after renaming the folder JRE under: C:\Program Files\Adobe\LiveCycle ES\Workbench ES\Workbench . In order to use my default JRE which is 1.5.0-12.
On the whole, I still get so errors and I can not logon.
Do you have any suggestion ?
Thank you for taking some time to reply.
What I am tried to do is to added a HelloComponent.jar fronm a tutorial:
http://www.adobe.com/devnet/livecycle/articles/dsc_development.html
My final goal is to developp a ECM Connector.
Thank you
Regards
eci

When using working apple ID keep getting message cookies are disabled but they are enabled for visited and also tried always

I gave an ipod touch 4 to my youngest son for his birthday.
Installed iTunes and updated firmware to 4.3.5 (8L1); all OK
Created Apple ID and can logon to this using computer.
When using the working apple ID on the iPod however, keep getting message cookies are disabled. This after it directs to review the new accoutn info.
But cookies are enabled for 'visted'. Also tried 'always'
Also tried hard reset.
Spent a whole day trying to get an apple dev working; still can't use any app.
Needless to say my son is very disappinted (and so am I) :-(
Is there any way to get this working, or should I simply ask for a refund?

Head to Settings -> Safari and tap Clear History, Clear Cookies, and Clear Cache and see if that does any good.
What happens when you rewiew the account info? Do you verify the provided information?
B-rock

Cannot bind when using "pwdLastSet" attribute in Active Directory

Admin resets the password & enables user has to change password at next logon, when i try to change user password, I couldn't able to bind the user & it shows error Such as
Since Authentication fails, he could able to modify the attribute[pwdLastSet].
please suggest me any solution
Error occured
xyz is not authenticated javax.naming.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0C090334, comment: AcceptSecurityContext error, data 773, vece
javax.naming.NamingException: [LDAP: error code 1 - 00000000: LdapErr: DSID-0C090A1A, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, vece
Since i couldn't able to bind the user, i cann;t able to change user password. Here is my program :
{code}public class Fastbindclient_changePwd extends HttpServlet{
class ldapfastbind {
class FastBindConnectionControl implements Control {
public byte[] getEncodedValue() {
return null;
public String getID() {
return "2.16.840.1.113730.3.4.2";
public boolean isCritical() {
return Control.CRITICAL;
public ldapfastbind(String ldapurl) {
env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PROTOCOL, "ssl");
env.put(Context.PROVIDER_URL, ldapurl);
connCtls = new Control[] { new FastBindConnectionControl() };
try {
ctx = new InitialLdapContext(env,connCtls);
catch (NamingException e) {
public int Authenticate(String username, String password, HttpServletRequest request, HttpServletResponse response) throws LDAPException{
try {
ctx.addToEnvironment(Context.SECURITY_PRINCIPAL,username);
ctx.addToEnvironment(Context.SECURITY_CREDENTIALS,password);
ctx.reconnect(connCtls);
System.out.println(username + " is authenticated");
return 0;
catch (AuthenticationException e) {
int index5= errMsg.indexOf("data 773");
if(index5 != -1)
try {
pwdLastSet = 1;
System.out.println("Password Last Set "+pwdLastSet);
String j_username=request.getParameter("j_username");
String j_password=request.getParameter("j_password");
String new_password=request.getParameter("new_password");
String change_password=request.getParameter("change_password");
boolean isChanged = ctxFast.ChangePassword(j_username, j_password, new_password, request, response);
} catch (IOException e1) {
catch (NamingException e) {
return 0;
public boolean ChangePassword(String sUserName, String sOldPassword, String sNewPassword, HttpServletRequest request, HttpServletResponse response) throws UnsupportedEncodingException {
try {
ModificationItem[] mods = new ModificationItem[1];
ModificationItem[] mods1 = new ModificationItem[1];
String oldQuotedPassword = "\"" + sOldPassword + "\"";
byte[] oldUnicodePassword = oldQuotedPassword.getBytes("UTF-16LE");
String newQuotedPassword = "\"" + sNewPassword + "\"";
byte[] newUnicodePassword = newQuotedPassword.getBytes("UTF-16LE");
System.out.println("newUnicodePassword" + newUnicodePassword);
System.out.println("printed before modify");
mods[0] = new ModificationItem(LdapContext.REPLACE_ATTRIBUTE, new BasicAttribute("unicodePwd", newUnicodePassword));
ctx.modifyAttributes("cn="+sUserName+",cn=Users,dc=tc,dc=com", mods);
mods1[0] = new ModificationItem(LdapContext.REPLACE_ATTRIBUTE, new BasicAttribute("pwdLastSet", "-1"));
System.out.println("pwdLastSet Replaced");
/* mods[0] = new ModificationItem(DirContext.REMOVE_ATTRIBUTE, new BasicAttribute("unicodePwd", oldUnicodePassword));
mods[1] = new ModificationItem(DirContext.ADD_ATTRIBUTE, new BasicAttribute("unicodePwd", newUnicodePassword));
ctx.modifyAttributes("cn="+sUserName+",cn=Users,dc=tc,dc=com", mods1);
ctx.close();
return true;
catch (AuthenticationException e) {
if(index5 != -1)
try {
pwdLastSet = 1;
System.out.println("Password Last Set "+pwdLastSet);
String j_username=request.getParameter("j_username");
String j_password=request.getParameter("j_password");
String new_password=request.getParameter("new_password");
String change_password=request.getParameter("change_password");
boolean isChanged = ctxFast.ChangePassword(j_username, j_password, new_password, request, response);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
return false;
catch (NamingException e) {
return false;
public void finito() {
try {
ctx.close();
System.out.println("Context is closed");
catch (NamingException e) {
System.out.println("Context close failure " + e);
public void bindClient(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
String ldapurl = "ldaps://172.22.0.99:636";
String keystore = "D:/j2sdk1.4.2_04/jre/lib/security/CACert.ks";
System.setProperty("javax.net.ssl.trustStore",keystore);
ctxFast = new ldapfastbind(ldapurl);
try {
IsAuthenticated = ctxFast.Authenticate(request.getParameter("j_username"),request.getParameter("j_password"), request, response);
boolean isChangedNrml;
if(pwdLastSet == 0)
isChangedNrml = ctxFast.ChangePassword(j_username, j_password, new_password, request, response);
System.out.println("b4 change");
System.out.println("After change 1");
} catch (LDAPException e) {
System.out.println("LDAP Exception : " + e.getLDAPResultCode() + "LDAPMessage : " + e.getLDAPErrorMessage()+ "message : " + e.getMessage());
e.printStackTrace();
String errMsg = e.getMessage();
System.out.println("error msa"+errMsg);
ctxFast.finito();
public ldapfastbind ctxFast = null;
public int pwdLastSet = 0;
}please suggest me solution
Thanks in Advance..

See my other reply concerning "user must change password" and the chicken & egg problem.
In addition when using the LDAP Fast Bind control, it is only used to authenticate a user (verify credentials).
If the user has the "user must change password" setting enabled, then the LDAP Fast Bind Connection Control will always fail the authentication attempt.
Furthermore, the LDAP Fast Bind control does not create a Windows token, and even of the user had successfully authenticated, it does not permit the user to perform other operations againts the directory such as modify attribute values or change passwords.
You must perform a full LDAP bind in order to allow a user to change their password or to modify other attribute values.

JDBC Connection Reset when using many processes on 64 bit system

Hi,
we've a annoying JDBC connection problem since we migrated our Java server to a 64 bit operating system. Here our environment.
Database Machine:
Oracle 10g
Linux 32 Bit (but same problem on 64 Bit)
Application Servers Machine:
JDBC driver 11.1.0.6
SUN Java 1.6.0_06 64bit
Linux 64 bit (SLES 10 SP2)
We have 6 different Java server processes (but with the same code) which all create some connections to the same database (running on a different Hardware). All 6 Java server processes starting at the same time (via scripts).
Everything was fine, until we migrated the application server machine from 32 bit Linux to 64 bit Linux. From this day on, the half (or one more or less) of our application server processes can't longer connect to the database. The application server processes which have the problem product the following stack trace:
java.sql.SQLRecoverableException: I/O Exception: Connection reset
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:281)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:118)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:224)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:296)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:611)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:455)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:494)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:199)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:30)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:154)
at com.aaaa.utils.db.DbConnectionPool.<init>(DbConnectionPool.java:130)
It looks like a network problem with the system but all other network stuff works without problems, between the two machines.
- We use the thin JDBC driver (no OCI)
- No firewalls are active on both systems
- Both systems are in the same subnet connected to the same switch
- The DNS configuration on both systems are ok (forward and reverse)
- We've found the same problem on different application-server/database-server pairs with 64 bit application server hardware - but not all of our 64 bit server systems have this problem.
- When running application server process and database on the same system (connecting via localhost) the problem does not longer appear.
- The same database machine connected from a 32 bit application server (with 6 different java processes starting at the same time) works without a problem.
We've tried a lot of things to isolate the problem - but with no success.
- Same problem with SUN Java 1.6.0_06 32 bit (on 64 bit Linux)
- Same problem with SUN Java 1.6.0_15 (32 and 64 bit)
- Played with some JDBC connection properties (oracle.jdbc.TcpNoDelay, oracle.jdbc.ReadTimeout, oracle.net.CONNECT_TIMEOUT, oracle.net.disableOob, oracle.jdbc.RetainV9LongBindBehavior, oracle.jdbc.StreamChunkSize) without a positive result.
- We've updated Linux network driver
- We've changed to an completeky other NIC
- We've tried an other Linux 64 distribution
- We've increased the PROCESSES parameter in the init.ora
- We've tried the JDBC driver 11.1.0.6
- We've tried the _g version of the JDBC driver, but the debugging output simply tell us "Connection Reset" without a hint why.
- We've tried a more complex JDBC connect string (
"jdbc:oracle:thin:@(DESCRIPTION=" +
"(ADDRESS_LIST=" +
"(ADDRESS=(PROTOCOL=TCP)" +
"(HOST=host)" + =
"(PORT=port)" +
")" +
")" +
"(CONNECT_DATA=" +
"(SERVICE_NAME=sid)" +
"(SERVER=DEDICATED)" +
")" +
Nothing of this things helped us to isolate the problem.
When we start our application server processes with a long pause (>1 min) between every process start. The problem does not occure. When we start only one application server with the same number of connections as the 6 different application server processes, everything works fine.
We have absolute no idea why
- this only occures on 64 bit Linux
- independent if it's a 32 bit or 64 bit JVM
- does not occure on all 64 bit application server machines / database machine pairs
- never occure on the same 64 bit app server hardware when using a 32 bit Linux
- using the Oracle JDBC 10g driver (10.xxx) there is no problem (but because of other issues, we need to use the JDBC 11g driver)
Does anybody has an idea what our problem is?
Thanks in advance,
greetings

I was recently struggling with this exact same problem. I opened a ticket with Oracle and this is what they told me.
java.security.SecureRandom is a standard API provided by sun. Among various methods offered by this class void
nextBytes(byte[])
is one. This method is used for generating random bytes. Oracle 11g JDBC drivers use this API to generate random number during
login. Users using Linux have been encountering SQLException("Io exception: Connection
reset").
The problem is two fold
1. The JVM tries to list all the files in the /tmp (or alternate tmp directory set by -Djava.io.tmpdir) when
SecureRandom.nextBytes(byte[]) is invoked. If the number of files is large the
method takes a long time
to respond and hence cause the server to timeout
2. The method void nextBytes(byte[]) uses /dev/random on Linux and on some machines which lack the random
number generating hardware the operation slows down to the extent of bringing the whole login process to
a halt. Ultimately the the user encounters SQLException("Io exception:
Connection reset")
Users upgrading to 11g can encounter this issue if the underlying OS is Linux which is running on a faulty hardware.
Cause
The cause of this has not yet been determined exactly. It could either be a problem in
your hardware or the fact
that for some reason the software cannot read from dev/random
Solution
Change the setup for your application, so you add the next parameter to the java command:
-Djava.security.egd=file:/dev/../dev/urandom
We made this change in our java.security file and it has gotten rid of the error.

ConcurrentModificationException when using jcifs.smb.SmbSession.logon

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