This occurs when scheduled builds were kicked off by the hudson servlet running
on top of the IBM JRE. The task fell over when doing the checkout from the SVN
repo. The problem does not occur using Sun's JRE 1.5.0_13.

O/S: Redhat enterprise Linux AS 4 update 5.
JRE: Redhat supplied IBM JRE 1.5.0 SR5, rpm java-1.5.0-ibm-1.5.0.5-1jpp.2.el4
Hudson version: 1.153
Container: tomcat 5.5

started
Checking out https://<removed>
ERROR: Failed to check out https://<removed>
org.tmatesoft.svn.core.SVNException: svn: Working copy '/<path removed>'
locked; try performing 'cleanup'
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error
(SVNErrorManager.java:49)
at org.tmatesoft.svn.core.internal.wc.admin.SVNAdminArea14.lock
(SVNAdminArea14.java:1370)
at org.tmatesoft.svn.core.internal.wc.admin.SVNWCAccess.doOpen
(SVNWCAccess.java:348)
at org.tmatesoft.svn.core.internal.wc.admin.SVNWCAccess.open
(SVNWCAccess.java:261)
at org.tmatesoft.svn.core.internal.wc.admin.SVNWCAccess.openAnchor
(SVNWCAccess.java:153)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate
(SVNUpdateClient.java:145)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doCheckout
(SVNUpdateClient.java:333)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:397)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:349)
at hudson.FilePath.act(FilePath.java:280)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:346)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:292)
at hudson.model.AbstractProject.checkout(AbstractProject.java:529)
at hudson.model.AbstractBuild$AbstractRunner.checkout
(AbstractBuild.java:223)
at hudson.modERROR: Failed to check out https://<removed>
org.tmatesoft.svn.core.SVNException: svn: No write-lock in '/<path removed>'
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error
(SVNErrorManager.java:49)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request
(HTTPConnection.java:508)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request
(HTTPConnection.java:232)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request
(HTTPConnection.java:220)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.doReport
(DAVConnection.java:219)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.doReport
(DAVConnection.java:211)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.update
(DAVRepository.java:617)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate
(SVNUpdateClient.java:162)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doCheckout
(SVNUpdateClient.java:325)
at hudson.scm.SubversionSCM$1.invoke(SubversionSCM.java:303)
at hudson.scm.SubversionSCM$1.invoke(SubversionSCM.java:276)
at hudson.FilePath.act(FilePath.java:239)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:276)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:234)
at hudson.model.AbstractProject.checkout(AbstractProject.java:341)
at hudson.model.AbstractBuild$AbstractRunner.checkout
(AbstractBuild.java:158)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:124)
at hudson.model.Run.run(Run.java:559)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:132)
at hudson.model.Executor.run(Executor.java:59)
finished: FAILURE