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From "Simon MacDonald (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CB-107) Possible socket leaking in CallbackServer
Date Wed, 07 Dec 2011 15:26:40 GMT
Possible socket leaking in CallbackServer
-----------------------------------------

                 Key: CB-107
                 URL: https://issues.apache.org/jira/browse/CB-107
             Project: Apache Callback
          Issue Type: Bug
          Components: Android
    Affects Versions: 1.2.0
            Reporter: Simon MacDonald
            Priority: Critical


I think we may be leaking a socket in CallbackServer. On line 216 of the CallbackServer we
create a new Socket but I can't see anywhere in CallbackServer where the Socket is closed.
Over time this could cause the problem described below. The user is probably running into
it much sooner than usual as he's making a file write every second.

Here is the original bug report from the Google Groups:

I'm trying to write approx every second to a file. This for writing a
geolocation to this file.

So I make a filewriter when I start tracking, then start a
watchposition en in the successfunction I write to this file.
In my first tests everything went well, but with some more intensive
testing we found out that after more than 900 points (or
filewritervar.write() callings) the app fails. In the logcat the next
error is vissible:

[code]
W/System.err(27919): java.net.SocketException: Too many open files
W/System.err(27919):    at
org.apache.harmony.luni.platform.OSNetworkSystem.acceptSocketImpl(Native
Method)
W/System.err(27919):    at
org.apache.harmony.luni.platform.OSNetworkSystem.accept(OSNetworkSystem.java:
69)
W/System.err(27919):    at
org.apache.harmony.luni.net.PlainSocketImpl.accept(PlainSocketImpl.java:
126)
W/System.err(27919):    at
java.net.ServerSocket.implAccept(ServerSocket.java:281)
W/System.err(27919):    at
java.net.ServerSocket.accept(ServerSocket.java:165)
W/System.err(27919):    at
com.phonegap.CallbackServer.run(CallbackServer.java:216)
W/System.err(27919):    at java.lang.Thread.run(Thread.java:1102)
[/code]

I looked in the FileUtils.java file and the filestream is everytime
correctly closed, so I dont see the problem.

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