[
https://issues.apache.org/jira/browse/HTTPCLIENT-1453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13930281#comment-13930281
]
Markus Kull commented on HTTPCLIENT-1453:
-----------------------------------------
Just for the info, if anyone is googling a stacktrace: This fix also seems to
prevent this IllegalStateException in PoolingClientConnectionManager.
java.lang.IllegalStateException: Entry
[id:34759][route:{}->http://localhost:57340][state:null] has not been leased
from this pool
at org.apache.http.util.Asserts.check(Asserts.java:40)
~[httpcore-4.3.1.jar:4.3.1]
at
org.apache.http.pool.RouteSpecificPool.free(RouteSpecificPool.java:123)
~[httpcore-4.3.1.jar:4.3.1]
at
org.apache.http.pool.AbstractConnPool.release(AbstractConnPool.java:308)
~[httpcore-4.3.1.jar:4.3.1]
at
org.apache.http.impl.conn.PoolingClientConnectionManager.releaseConnection(PoolingClientConnectionManager.java:266)
~[httpclient-4.3.2.jar:4.3.2]
at
org.apache.http.impl.conn.ManagedClientConnectionImpl.releaseConnection(ManagedClientConnectionImpl.java:440)
~[httpclient-4.3.2.jar:4.3.2]
at
org.apache.http.conn.BasicManagedEntity.releaseManagedConnection(BasicManagedEntity.java:201)
~[httpclient-4.3.2.jar:4.3.2]
at
org.apache.http.conn.BasicManagedEntity.streamClosed(BasicManagedEntity.java:176)
~[httpclient-4.3.2.jar:4.3.2]
at
org.apache.http.conn.EofSensorInputStream.checkClose(EofSensorInputStream.java:227)
~[httpclient-4.3.2.jar:4.3.2]
at
org.apache.http.conn.EofSensorInputStream.close(EofSensorInputStream.java:174)
~[httpclient-4.3.2.jar:4.3.2]
at org.apache.http.util.EntityUtils.consume(EntityUtils.java:88)
~[httpcore-4.3.1.jar:4.3.1]
indirectly caused by
java.util.ConcurrentModificationException: null
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:926)
~[na:1.7.0_51]
at java.util.HashMap$EntryIterator.next(HashMap.java:966) ~[na:1.7.0_51]
at java.util.HashMap$EntryIterator.next(HashMap.java:964) ~[na:1.7.0_51]
at
org.apache.http.pool.AbstractConnPool.purgePoolMap(AbstractConnPool.java:469)
~[httpcore-4.3.1.jar:4.3.1]
at
org.apache.http.pool.AbstractConnPool.closeIdle(AbstractConnPool.java:500)
~[httpcore-4.3.1.jar:4.3.1]
at
org.apache.http.impl.conn.PoolingClientConnectionManager.closeIdleConnections(PoolingClientConnectionManager.java:288)
~[httpclient-4.3.2.jar:4.3.2]
> PoolingHttpClientConnectionManager thread safety
> ------------------------------------------------
>
> Key: HTTPCLIENT-1453
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1453
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpConn
> Affects Versions: 4.3.2
> Environment: Windows 8.1 x64
> java version "1.7.0_45"
> Java(TM) SE Runtime Environment (build 1.7.0_45-b18)
> Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode)
> Reporter: Rahim Alizada
> Fix For: 4.3.3
>
>
> Although the PoolingHttpClientConnectionManager is marked as ThreadSafe,
> connectionManager.closeExpiredConnections() call from multiple threads causes
> ConcurrentModificationException.
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:839)
> at java.util.HashMap$EntryIterator.next(HashMap.java:880)
> at java.util.HashMap$EntryIterator.next(HashMap.java:878)
> at
> org.apache.http.pool.AbstractConnPool.purgePoolMap(AbstractConnPool.java:469)
> at
> org.apache.http.pool.AbstractConnPool.closeExpired(AbstractConnPool.java:517)
> at
> org.apache.http.impl.conn.PoolingHttpClientConnectionManager.closeExpiredConnections(PoolingHttpClientConnectionManager.java:363)
> at com.jyvee.shared.http.HttpHelper.getHttpClient(HttpHelper.java:121)
--
This message was sent by Atlassian JIRA
(v6.2#6252)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
