I debug in my mina server :
and find exception:
org.apache.mina.common.BufferDataException: java.io.InvalidClassException:
failed to read class descriptor
at org.apache.mina.common.ByteBuffer.getObject(ByteBuffer.java:1487)
at
org.apache.mina.filter.codec.serialization.ObjectSerializationDecoder.doDecode(ObjectSerializationDecoder.java:92)
at
org.apache.mina.filter.codec.CumulativeProtocolDecoder.decode(CumulativeProtocolDecoder.java:133)
at
org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:159)
at
org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)
at
org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilterChain.java:53)
at
org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:648)
at
org.apache.mina.common.support.AbstractIoFilterChain$HeadFilter.messageReceived(AbstractIoFilterChain.java:499)
at
org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)
at
org.apache.mina.common.support.AbstractIoFilterChain.fireMessageReceived(AbstractIoFilterChain.java:293)
at
org.apache.mina.transport.socket.nio.SocketIoProcessor.read(SocketIoProcessor.java:218)
at
org.apache.mina.transport.socket.nio.SocketIoProcessor.process(SocketIoProcessor.java:188)
at
org.apache.mina.transport.socket.nio.SocketIoProcessor.access$400(SocketIoProcessor.java:44)
at
org.apache.mina.transport.socket.nio.SocketIoProcessor$Worker.run(SocketIoProcessor.java:464)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.InvalidClassException: failed to read class descriptor
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1567)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
at java.io.ObjectInputStream.readClass(ObjectInputStream.java:1462)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1312)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1667)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at java.util.HashMap.readObject(HashMap.java:1030)
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
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at org.apache.mina.common.ByteBuffer.getObject(ByteBuffer.java:1485)
... 17 more
Caused by: java.lang.ClassNotFoundException: long
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at
org.apache.mina.common.ByteBuffer$3.readClassDescriptor(ByteBuffer.java:1480)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1565)
... 42 more
tiandike wrote:
>
> I use ObjectSerializationCodecFactory in my mina server and client app .
>
> I define a Map field in my requestmessage and in this Map i put Object[]
> args and Class[] clazzes;
> in the first bytebuffer I use Long ,but the seconde bytebuffer i use
> long.
>
> I find first bytebuffer can be sent to mina server, but the second can't .
> first
> DirectBuffer[pos=0 lim=440 cap=512: 00 00 01 B4 AC ED 00 05 73 72 00 34 63
> 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75 6E 64 65 72 62 69 72 64
> 2E 6D 65 73 73 61 67 65 2E 44 65 66 61 75 6C 74 55 49 43 52 65 71 75 65 73
> 74 78 72 00 35 63 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75 6E 64
> 65 72 62 69 72 64 2E 6D 65 73 73 61 67 65 2E 41 62 73 74 72 61 63 74 55 49
> 43 4D 65 73 73 61 67 65 78 70 73 72 00 11 6A 61 76 61 2E 75 74 69 6C 2E 48
> 61 73 68 4D 61 70 78 70 3F 40 00 00 00 00 00 0C 77 08 00 00 00 10 00 00 00
> 01 74 00 0D 5F 64 65 66 61 75 6C 74 4D 6F 64 65 6C 73 72 00 26 63 6F 6D 2E
> 74 61 6F 62 61 6F 2E 75 69 63 2E 63 6C 61 77 2E 63 6C 69 65 6E 74 2E 43 6C
> 61 77 43 6F 6E 74 65 78 74 78 70 74 00 07 67 65 74 44 61 74 61 75 72 00 13
> 5B 4C 6A 61 76 61 2E 6C 61 6E 67 2E 4F 62 6A 65 63 74 3B 78 70 00 00 00 02
> 73 72 00 0E 6A 61 76 61 2E 6C 61 6E 67 2E 4C 6F 6E 67 78 72 00 10 6A 61 76
> 61 2E 6C 61 6E 67 2E 4E 75 6D 62 65 72 78 70 00 00 00 00 07 39 89 4C 74 00
> 12 64 61 74 61 2D 69 6E 66 6F 2D 75 73 65 72 64 61 74 61 75 72 00 12 5B 4C
> 6A 61 76 61 2E 6C 61 6E 67 2E 43 6C 61 73 73 3B 78 70 00 00 00 02 76 72 00
> 04 6C 6F 6E 67 78 70 76 72 00 10 6A 61 76 61 2E 6C 61 6E 67 2E 53 74 72 69
> 6E 67 78 70 78 73 71 00 7E 00 0B 00 00 00 00 00 00 00 01 01 70 74 00 08 75
> 73 65 72 64 61 74 61 74 00 0F 75 73 65 72 44 61 74 61 53 65 72 76 69 63 65
> 70 70]
> second
> DirectBuffer[pos=0 lim=436 cap=512: 00 00 01 B0 AC ED 00 05 73 72 00 34 63
> 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75 6E 64 65 72 62 69 72 64
> 2E 6D 65 73 73 61 67 65 2E 44 65 66 61 75 6C 74 55 49 43 52 65 71 75 65 73
> 74 78 72 00 35 63 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75 6E 64
> 65 72 62 69 72 64 2E 6D 65 73 73 61 67 65 2E 41 62 73 74 72 61 63 74 55 49
> 43 4D 65 73 73 61 67 65 78 70 73 72 00 11 6A 61 76 61 2E 75 74 69 6C 2E 48
> 61 73 68 4D 61 70 78 70 3F 40 00 00 00 00 00 0C 77 08 00 00 00 10 00 00 00
> 01 74 00 0D 5F 64 65 66 61 75 6C 74 4D 6F 64 65 6C 73 72 00 26 63 6F 6D 2E
> 74 61 6F 62 61 6F 2E 75 69 63 2E 63 6C 61 77 2E 63 6C 69 65 6E 74 2E 43 6C
> 61 77 43 6F 6E 74 65 78 74 78 70 74 00 07 67 65 74 44 61 74 61 75 72 00 13
> 5B 4C 6A 61 76 61 2E 6C 61 6E 67 2E 4F 62 6A 65 63 74 3B 78 70 00 00 00 02
> 73 72 00 0E 6A 61 76 61 2E 6C 61 6E 67 2E 4C 6F 6E 67 78 72 00 10 6A 61 76
> 61 2E 6C 61 6E 67 2E 4E 75 6D 62 65 72 78 70 00 00 00 00 07 39 89 4C 74 00
> 12 64 61 74 61 2D 69 6E 66 6F 2D 75 73 65 72 64 61 74 61 75 72 00 12 5B 4C
> 6A 61 76 61 2E 6C 61 6E 67 2E 43 6C 61 73 73 3B 78 70 00 00 00 02 76 71 00
> 7E 00 0B 76 72 00 10 6A 61 76 61 2E 6C 61 6E 67 2E 53 74 72 69 6E 67 78 70
> 78 73 71 00 7E 00 0B 00 00 00 00 00 00 00 01 01 70 74 00 08 75 73 65 72 64
> 61 74 61 74 00 0F 75 73 65 72 44 61 74 61 53 65 72 76 69 63 65 70 70]
>
> /////////////////////
> in SocketIoProcessor doFlush(SocketSessionImpl session) , i find the code
> below are executed in these two condition.
>
> if (key.isWritable()) {
> writtenBytes += ch.write(buf.buf());
> }
>
> I don't know why! it's so strange!
>
>
--
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