https://issues.apache.org/bugzilla/show_bug.cgi?id=50333
Summary: IllegalArgumentException occurs when setting maxActive
to smaller than 1.
Product: Tomcat Modules
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: jdbc-pool
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=26340)
--> (https://issues.apache.org/bugzilla/attachment.cgi?id=26340)
patch
IllegalArgumentException occurs when setting maxActive to smaller than 1.
-----
java.lang.IllegalArgumentException
at
java.util.concurrent.ArrayBlockingQueue.<init>(ArrayBlockingQueue.java:164)
at
org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:365)
at
org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:130)
at
org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:93)
at
org.apache.tomcat.jdbc.pool.DataSourceFactory.createDataSource(DataSourceFactory.java:490)
at
org.apache.tomcat.jdbc.pool.DataSourceFactory.getObjectInstance(DataSourceFactory.java:219)
at
org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:142)
at
javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
at org.apache.naming.NamingContext.lookup(NamingContext.java:826)
at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at
org.apache.catalina.core.NamingContextListener.addResource(NamingContextListener.java:1020)
at
org.apache.catalina.core.NamingContextListener.createNamingContext(NamingContextListener.java:631)
at
org.apache.catalina.core.NamingContextListener.lifecycleEvent(NamingContextListener.java:237)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
at
org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:668)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at org.apache.catalina.startup.Catalina.start(Catalina.java:596)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:303)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)
---
In DBCP, if the negative value is set to maxActive, the pool size is unlimited.
However, because ArrayBlockingQueue is used in JDBC-Pool, values that are
smaller than 1 cannot be set to maxActive.
In my patch, if maxActive is smaller than 1, default value (100) is set to
maxActive.
Regards.
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