Error occured while retrieving the list of VSE servers -Could not lock User prefs. Unix error code 24.

Products

• Service Virtualization

Issue/Introduction

Hi,

We are now seeing a message of "An error occurred while retrieving the list of VSE servers. ." when we login to portal. Here is another error message: "Failed to load data from the virtual service environment: VSE. Make sure that VSE is running. .". The VSE service is running on the server fine.

Not sure what could have caused this, we only changed Java minor version from 1.8.0_261 to 1.8.0_271 on that machine, I checked jre folder under$DEVTEST_HOME and it's pointing to the updated Java version.  Here is the log from VSE.log file:

 

2021-01-26 17:00:04,465Z (09:00) [Timer-0] INFO  System.out                     - Jan 26, 2021 9:00:04 AM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
2021-01-26 17:00:04,465Z (09:00) [Timer-0] INFO  System.out                     - WARNING: Could not lock User prefs.  Unix error code 24.
2021-01-26 17:00:04,465Z (09:00) [Timer-0] INFO  System.out                     - Jan 26, 2021 9:00:04 AM java.util.prefs.FileSystemPreferences syncWorld
2021-01-26 17:00:04,465Z (09:00) [Timer-0] INFO  System.out                     - WARNING: Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock.
2021-01-26 17:00:10,186Z (09:00) [ServerRequestResponder 20] WARN  com.itko.lisa.net.RemoteMethodExec - InvocationTargetException on invoke getInetAddresses
java.lang.reflect.InvocationTargetException
 at sun.reflect.GeneratedMethodAccessor108.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.itko.lisa.net.RemoteMethodExec.execute(RemoteMethodExec.java:57)
 at com.itko.lisa.net.ServerRequestHandler.processRMIMessage(ServerRequestHandler.java:533)
 at com.itko.lisa.net.ServerRequestHandler.access$600(ServerRequestHandler.java:70)
 at com.itko.lisa.net.ServerRequestHandler$5.run(ServerRequestHandler.java:451)
 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketException: Too many open files (Socket creation failed)
 at java.net.NetworkInterface.getAll(Native Method)
 at java.net.NetworkInterface.getNetworkInterfaces(NetworkInterface.java:355)
 at com.itko.util.network.NetworkUtil.getAddressList(NetworkUtil.java:125)
 at com.itko.util.network.NetworkUtil.getAddressList(NetworkUtil.java:117)
 at com.itko.lisa.coordinator.VirtualServiceEnvironmentImpl.getInetAddresses(VirtualServiceEnvironmentImpl.java:2850)
 ... 12 more

Cause

Java Version 1.8.0_271  is the cause

Environment

Release : 10.6

Component : CA Service Virtualization

Resolution

We found this article where customer is having with Java Version 1.8.0_271
https://confluence.atlassian.com/bamkb/bamboo-is-encountering-too-many-open-files-errors-after-recent-java-jdk-update-due-to-socket-leak-1043905245.html

 

This article is recommending to use 1.8.0_282 or downgrade from 1.8.0_271 will might solve the issue.