patch_oim_wls.sh fails if weblogic PSU 25869650 has been installed

[java] Jul 26, 2017 5:30:21 PM oracle.iam.oimupgrade.standalone.utils.WriteLog writeMessage
[java] INFO: commandLine is :: -type policyStore -dst PolicyBackup2017-07-26173019.292jazn.xml -configFile /opt/oracle/Middleware/Oracle_IAM1/server/patching/policiestomigrate/jps-config-jse_patching.xml -src default -migrateIdStoreMapping true
[java] Jul 26, 2017 5:30:21 PM oracle.iam.oimupgrade.standalone.utils.WriteLog writeMessage
[java] INFO: buffer : migrateSecurityStore.py -type policyStore -dst PolicyBackup2017-07-26173019.292jazn.xml -configFile /opt/oracle/Middleware/Oracle_IAM1/server/patching/policiestomigrate/jps-config-jse_patching.xml -src default -migrateIdStoreMapping true
[java] oracle.iam.oimupgrade.exceptions.OIMUpgradeException: Error in running target :migrateJazn-unix
[java] at oracle.iam.oimupgrade.standalone.utils.AntUtil.runTargetWithNoProcessing(AntUtil.java:150)
[java] at oracle.iam.oimupgrade.standalone.utils.OfflineUpgradeUtil.migrateSecurityStore(OfflineUpgradeUtil.java:813)
[java] at oracle.iam.oimupgrade.standalone.utils.OfflineUpgradeUtil.backupPolicies(OfflineUpgradeUtil.java:687)
[java] at oracle.iam.patching.authz.AuthzPolicyMigration.takePoliciesBackup(AuthzPolicyMigration.java:145)
[java] at oracle.iam.patching.authz.AuthzPolicyMigration.main(AuthzPolicyMigration.java:87)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:606)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:217)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:152)
[java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:764)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:218)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:132)
[java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:105)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[java] at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:606)
[java] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[java] at org.apache.tools.ant.Task.perform(Task.java:348)
[java] at org.apache.tools.ant.Target.execute(Target.java:357)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:385)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
[java] at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)
[java] at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
[java] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:416)
[java] at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[java] at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:606)
[java] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[java] at org.apache.tools.ant.Task.perform(Task.java:348)
[java] at org.apache.tools.ant.Target.execute(Target.java:357)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:385)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
[java] at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
[java] at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
[java] at org.apache.tools.ant.Main.runBuild(Main.java:758)
[java] at org.apache.tools.ant.Main.startAnt(Main.java:217)
[java] at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
[java] at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
[java] Caused by: /opt/oracle/Middleware/Oracle_IAM1/server/setup/deploy-files/automation.xml:441: exec returned: 1
[java] at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:636)
[java] at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:662)
[java] at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:487)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[java] at java.lang.reflect.Method.invoke(Method.java:606)
[java] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[java] at org.apache.tools.ant.Task.perform(Task.java:348)
[java] at org.apache.tools.ant.Target.execute(Target.java:357)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:385)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
[java] at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[java] at oracle.iam.oimupgrade.standalone.utils.AntUtil.runTargetWithNoProcessing(AntUtil.java:146)
[java] ... 43 more

BUILD FAILED
/opt/oracle/Middleware/Oracle_IAM1/server/setup/deploy-files/automation.xml:294: The following error occurred while executing this line:
/opt/oracle/Middleware/Oracle_IAM1/server/setup/deploy-files/automation.xml:106: java.lang.Exception: Error while taking backup of policies. Please follow the steps
1) Manually take backup of policies.
2) In PatchConfig.properties, add property policybackup.required=false and run the utility again.