https://issues.apache.org/bugzilla/show_bug.cgi?id=56910
Bug ID: 56910
Summary: when maxConnections="-1" AprEndpoint init error
Product: Tomcat 7
Version: 7.0.55
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Connectors
Assignee: dev@tomcat.apache.org
Reporter: w.hongji...@gmail.com
use apr connector
set maxConnections="-1" in server.xml
when start tomcat, exceptions occur:
java.lang.NegativeArraySizeException
at
org.apache.tomcat.util.net.AprEndpoint$SocketTimeouts.<init>(AprEndpoint.java:1145)
at
org.apache.tomcat.util.net.AprEndpoint$Poller.init(AprEndpoint.java:1382)
at
org.apache.tomcat.util.net.AprEndpoint.startInternal(AprEndpoint.java:602)
at
org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:650)
at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:449)
at
org.apache.catalina.connector.Connector.startInternal(Connector.java:1007)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.StandardService.startInternal(StandardService.java:459)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:731)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.startup.Catalina.start(Catalina.java:689)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:321)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:455)
In AprEndpoint.init() method：
protected void init() {
pool = Pool.create(serverSockPool);
// Single poller by default
int defaultPollerSize = getMaxConnections();
if ((OS.IS_WIN32 || OS.IS_WIN64) && (defaultPollerSize > 1024)) {
// The maximum per poller to get reasonable performance is 1024
// Adjust poller size so that it won't reach the limit. This is
// a limitation of XP / Server 2003 that has been fixed in
// Vista / Server 2008 onwards.
actualPollerSize = 1024;
} else {
actualPollerSize = defaultPollerSize;
}
timeouts = new SocketTimeouts(defaultPollerSize); //here !!!
did not check getMaxConnections() maybe return -1.
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