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From "Paulex Yang (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HARMONY-1295) [classlib][net] flaw in setReuseAddrAndReusePort()
Date Sun, 10 Sep 2006 12:33:24 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1295?page=all ]

Paulex Yang closed HARMONY-1295.
--------------------------------


Verified by Jimmy and Alexey.

> [classlib][net] flaw in setReuseAddrAndReusePort()
> --------------------------------------------------
>
>                 Key: HARMONY-1295
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1295
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Alexey Varlamov
>         Assigned To: Paulex Yang
>            Priority: Critical
>         Attachments: Harmony1295.diff
>
>
> The tests.api.java.net.DatagramSocketTest test crashes on assert in DRLVM : Assertion
`IsInstanceOf(env, obj, struct_Class_to_jclass(f->get_class()))' failed.
> The reason is that java.net.DatagramSocket.setReuseAddress(boolean) calls to 
> PlainDatagramSocketImpl.setOption(int optID, Object val) with Boolean value, but underlying
native code treats this value as Integer.
> Quickfix must be straightforward enough, but I inclined to blame the design of INetworkSystem.[set|get]SocketOption()
as the actual root of the evil. The problem is that this API conceals the details of contract
for particular options, and a client have to guess which type of value to pass. And the implementation
is basically an ugly switch sorting requests out to setBoolSocketOption() or setIntegerSocketOption(),
etc. Shouldn'te refactor this?
> Native stack is :
> vmcore.dll!GetIntField(JNIEnv_External * env=0x103353a8, _jobject * obj=0x0654f184, _jfieldID
* fieldID=0x05e4c088)  Line 304 + 0x3a	C++
> hyluni.dll!intValue(const JNINativeInterface_ * * env=0x103353a8, _jobject * anInteger=0x0654f184)
 Line 598 + 0x1d	C
> hyluni.dll!setReuseAddrAndReusePort(const JNINativeInterface_ * * env=0x103353a8, hysocket_struct
* hysocketP=0x00160ae0, _jobject * optVal=0x0654f184)  Line 1140	C
> hyluni.dll!Java_org_apache_harmony_luni_platform_OSNetworkSystem_setSocketOptionImpl(const
JNINativeInterface_ * * env=, _jobject * thisClz=, _jobject * aFileDescriptor=, int anOption=,
_jobject * aValue=)  Line 2321 + 0xc	C
> Java stack is:
> Stack Trace (003FB238):
>   [003FB238] 00000000(n): org/apache/harmony/luni/platform/OSNetworkSystem.setSocketOptionImpl(Ljava
> /io/FileDescriptor;ILjava/lang/Object;)V
>   [003FB238] 011D0625(m): org/apache/harmony/luni/platform/OSNetworkSystem.setSocketOption(Ljava/io/
> FileDescriptor;ILjava/lang/Object;)V
>   [003FB238] 011CFF4E(m): org/apache/harmony/luni/net/PlainDatagramSocketImpl.setOption(ILjava/lang/
> Object;)V
>   [003FB238] 011E3DB1(m): java/net/DatagramSocket.setReuseAddress(Z)V
>   [003FB238] 011E3BB0(m): tests/api/java/net/DatagramSocketTest.test_getReuseAddress()V
>   [003FB238] 100657D0(n): java/lang/reflect/VMReflection.invokeMethod(Ljava/lang/Object;Ljava/lang/O
> bject;[Ljava/lang/Object;)Ljava/lang/Object;
>   [003FB238] 011C2CA0(m): java/lang/reflect/Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljav
> a/lang/Object;
>   [003FB238] 011CCB25(m): junit/framework/TestCase.runTest()V
>   [003FB238] 011CC66E(m): junit/framework/TestCase.runBare()V
>   [003FB238] 011CC5BA(m): junit/framework/TestResult$1.protect()V
>   [003FB238] 011CC44F(m): junit/framework/TestResult.runProtected(Ljunit/framework/Test;Ljunit/frame
> work/Protectable;)V
>   [003FB238] 011CAA3C(m): junit/framework/TestResult.run(Ljunit/framework/TestCase;)V
>   [003FB238] 011CA910(m): junit/framework/TestCase.run(Ljunit/framework/TestResult;)V
>   [003FB238] 011CA85B(m): junit/framework/TestSuite.runTest(Ljunit/framework/Test;Ljunit/framework/T
> estResult;)V
>   [003FB238] 011CA12E(m): junit/framework/TestSuite.run(Ljunit/framework/TestResult;)V
>   [003FB238] 011C9B22(m): junit/textui/TestRunner.doRun(Ljunit/framework/Test;Z)Ljunit/framework/Tes
> tResult;
>   [003FB238] 011C4186(m): junit/textui/TestRunner.start([Ljava/lang/String;)Ljunit/framework/TestRes
> ult;
>   [003FB238] 011C365E(m): junit/textui/TestRunner.main([Ljava/lang/String;)V
>   [003FB238] 100657D0(n): java/lang/reflect/VMReflection.invokeMethod(Ljava/lang/Object;Ljava/lang/O
> bject;[Ljava/lang/Object;)Ljava/lang/Object;
>   [003FB238] 011C2CA0(m): java/lang/reflect/Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljav
> a/lang/Object;
>   [003FB238] 011A59DF(m): java/lang/VMStart$MainThread.runImpl()V
>   [003FB238] 100657D0(n): *null*
> End Stack Trace (003FB238, depth=22)

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