我有一个Java应用程序,在Ubuntu 10.04上运行良好,但在几个小时后会出现 "java.net.SocketException: Too many open files" 错误。 Sender.java 的代码可以在这里找到。
这是因为每个线程都创建了 HttpPut
和 HttpPost
的新实例吗? 我正在使用apache-commons HTTPClient 4。
以下是异常日志:
java.net.SocketException: Too many open files
at java.net.Socket.createImpl(Socket.java:414)
at java.net.Socket.connect(Socket.java:544)
at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:133)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:108)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:641)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:576)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:554)
at com.marketplace.io.Sender.doBasicHttpPost(Sender.java:434)
at com.marketplace.io.Sender.appVisualExists(Sender.java:223)
at com.marketplace.io.Sender.addVisualToCollection(Sender.java:350)
at com.marketplace.service.ImageThread.run(ImageThread.java:136)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)