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Date: Fri, 14 Jan 2011 17:34:45 -0500 (EST)
From: "Christof Schmalenbach (JIRA)" <jira@apache.org>
To: c-dev@axis.apache.org
Subject: [jira] Created: (AXIS2C-1529) wsdl2c generates skeleton code with
 memoryleak inside
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wsdl2c generates skeleton code with memoryleak inside
-----------------------------------------------------

                 Key: AXIS2C-1529
                 URL: https://issues.apache.org/jira/browse/AXIS2C-1529
             Project: Axis2-C
          Issue Type: Bug
          Components: wsdl2c tool
    Affects Versions: 1.6.0
         Environment: This bug can be reproduced on linux as well as on Win32.
On Win32 the following environment is used
- axis2c version 1.6.0
- axis2 java version axis2-1.5.2 (axis2-1.5.3 on linux)
- java full version "JRE 1.6.0 IBM Windows 32 build pwi3260sr8fp1-20100903_02 (SR8 FP1)"
            Reporter: Christof Schmalenbach


One can reproduce the problem with the following steps:
1. Compile the following java class (only to generate a appropriate wsdl used in step 2)
package memleak;

public class MemLeak
{
	public byte[] getServiceData(byte[] input)
	{
		byte[] output = new byte[10];
		return(output);
	}
}

2. generate wsdl with the following command from the MemLeak class
java2wsdl -o . -of axis2cwsdl2cmembug.wsdl -sn axis2cmemleak -cn memleak.MemLeak 

3. generate serverside code (skeletons) from the axis2cwsdl2cmembug.wsdl with the following command:
wsdl2c -o .\c_axis2cwsdl2membug_skeleton -ss -uri axis2cwsdl2cmembug.wsdl

Step 3. generates the following artefacts:
./axis2_skel_axis2cmemleak.c
./axis2_skel_axis2cmemleak.h
./axis2_svc_skel_axis2cmemleak.c
./src
./src./adb_getServiceData.c
./src./adb_getServiceData.h
./src./adb_getServiceDataResponse.c
./src./adb_getServiceDataResponse.h

Especially .the generated code /src./adb_getServiceDataResponse.c contains a memory leak in the function
adb_getServiceDataResponse_serialize
within every webservice request cycle.
Following code is generated in this function:

                          text_value_1 =axutil_base64_binary_get_encoded_binary(_getServiceDataResponse->property_return, env);
                           
                           axutil_stream_write(stream, env, start_input_str, start_input_str_len);
                           
                           axutil_stream_write(stream, env, text_value_1, axutil_strlen(text_value_1));
                           
                           axutil_stream_write(stream, env, end_input_str, end_input_str_len);
                           
                     
                     AXIS2_FREE(env->allocator,start_input_str);
                     AXIS2_FREE(env->allocator,end_input_str);

memory for start_input_str and for end_input_str are released , BUT not the memory allocated in axutil_base64_binary_get_encoded_binary for the pointer text_value_1.
An AXIS2_FREE(env->allocator,text_value_1.); is missed.
This AXIS2_FREE can be included in the generated code, solving the memory leak without destabilizing the service.


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