https://bz.apache.org/bugzilla/show_bug.cgi?id=62185
Bug ID: 62185
Summary: Acceptor Thread Terminates
Product: Tomcat 7
Version: 7.0.85
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Connectors
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Acceptor Thread terminates and no further requests are being accepted by Apache
Tomcat.
Steps to reproduce:
Set max user processes to a low number(to the user that starts the server):
e.g.: ulimit -u 40
run a few thousand requests or more to an Apache endpoint.
If the ulimit for max processes is reached,
java/org/apache/tomcat/util/net/JIoEndpoint.java:255 will throw a
VirtualMachineError and it will terminate the AcceptorThread.
Exception in thread "http-bio-8080-Acceptor-0" java.lang.OutOfMemoryError:
unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:714)
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:950)
at
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1368)
at
org.apache.tomcat.util.threads.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:166)
at
org.apache.tomcat.util.threads.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:146)
at
org.apache.tomcat.util.net.JIoEndpoint.processSocket(JIoEndpoint.java:533)
at
org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:236)
at java.lang.Thread.run(Thread.java:745)
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