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From "sunil kumar reddy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLEX-35325) [BLAZEDS]Memory Leak happening in BlazeDS, when data send repeatedly without endpoint
Date Wed, 21 Jun 2017 17:45:01 GMT

    [ https://issues.apache.org/jira/browse/FLEX-35325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16057908#comment-16057908
] 

sunil kumar reddy commented on FLEX-35325:
------------------------------------------

1)Create a file(eg 300MB) with below data 
String header="<root>"; String tail="</root>";String item="<item id=\"hacker\"value=\"lxb123\"/>";
then start sending data continuously to server 
HashMap<String,String> headerParam=new HashMap<String,String>();
headerParam.put("POST","/secureamf HTTP/1.1");
headerParam.put("Host","IP:port");
headParam.put("Content-Type","application/amf");
for(int i=0;i<100;i++)
{ new Thread(new executea(i, "https://IP:port/secureamf",headParam,attackFile.getFileEntity(),true)).start();
}


CPU memory will increase continuously (because of blazeDS memory leak)



> [BLAZEDS]Memory Leak happening in BlazeDS, when data send repeatedly without endpoint
> -------------------------------------------------------------------------------------
>
>                 Key: FLEX-35325
>                 URL: https://issues.apache.org/jira/browse/FLEX-35325
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: BlazeDS
>    Affects Versions: BlazeDS 4.7
>            Reporter: sunil kumar reddy
>            Priority: Critical
>
> Class Name                                                                          
                                    | Shallow Heap | Retained Heap | Percentage 
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
>                                                                                     
                                    |              |               |            
> java.lang.Thread @ 0xec56cfe0 Native Stack, Thread                                  
                                    |          176 |  43,95,39,624 |     70.16% 
> |- java.lang.Object[5] @ 0xed4c28b0                                                 
                                    |           64 |  18,24,82,232 |     29.13% 
> |- org.apache.xerces.parsers.DOMParser @ 0xe63d5c78                                 
                                    |          240 |  16,16,58,984 |     25.80% 
> |  |- org.apache.xerces.dom.DeferredDocumentImpl @ 0xe63d83e8                       
                                    |          368 |  16,16,58,392 |     25.80% 
> |  |- java.lang.StringBuffer @ 0xe63d84b0                                           
                                    |           40 |           160 |      0.00% 
> |  |- java.util.Stack @ 0xe63d84c8                                                  
                                    |           40 |           144 |      0.00% 
> |  |- org.apache.xerces.xni.QName @ 0xe63d84e8                                      
                                    |           48 |            48 |      0.00% 
> |  '- Total: 4 entries                                                              
                                    |              |               |            
> |- flex.messaging.io.amf.Amf3Input @ 0xf3dc3f00                                     
                                    |          112 |   4,76,01,936 |      7.60% 
> |- java.lang.String @ 0xfed77618                                                    
                                    |           32 |   4,76,00,080 |      7.60% 
> |- java.lang.ThreadLocal$ThreadLocalMap @ 0xee74a510                                
                                    |           32 |      1,12,896 |      0.02% 
> |- org.eclipse.jetty.http.PathMap @ 0xf39de808                                      
                                    |          128 |        56,800 |      0.01% 
> |- org.apache.xerces.parsers.XIncludeAwareParserConfiguration @ 0xe63d8328          
                                    |          368 |         4,816 |      0.00% 
> |- char[2048] @ 0xe63d6df0  ><item id="hacker" value="lxb123"/><item id="hacker"
value="lxb123"/><item id="hacker"...    |        4,120 |         4,120 |      0.00%

> |- org.apache.xerces.impl.XMLNSDocumentScannerImpl @ 0xe63d5a38                     
                                    |          416 |         2,376 |      0.00% 
> |- org.apache.xerces.impl.dtd.XMLNSDTDValidator @ 0xe63d6020                        
                                    |          320 |         2,008 |      0.00% 
> |- org.apache.xerces.impl.XMLDTDScannerImpl @ 0xe63d5e98                            
                                    |          248 |         1,568 |      0.00% 
> |- org.apache.xerces.util.XMLAttributesImpl @ 0xe63d5db8                            
                                    |           56 |         1,552 |      0.00% 
> |- org.apache.xerces.impl.XMLEntityManager @ 0xe63d5b60                             
                                    |          200 |         1,288 |      0.00% 
> |- org.apache.xerces.util.SymbolTable @ 0xe63d5b18                                  
                                    |           40 |         1,152 |      0.00% 
> |- flex.messaging.io.amf.Amf0Input @ 0xf3dc3f40                                     
                                    |          104 |           752 |      0.00% 
> |- org.apache.xerces.util.NamespaceSupport @ 0xe63d5f48                             
                                    |           48 |           536 |      0.00% 
> |- org.apache.xerces.jaxp.DocumentBuilderFactoryImpl @ 0xe2d651b0                   
                                    |           56 |           432 |      0.00% 
> |- org.apache.xerces.impl.dtd.XMLDTDProcessor @ 0xe63d6888                          
                                    |          176 |           392 |      0.00% 
> |- org.apache.xerces.impl.XMLErrorReporter @ 0xe63d5b38                             
                                    |           72 |           376 |      0.00% 
> |- java.io.DataInputStream @ 0xf29641c0                                             
                                    |           56 |           376 |      0.00% 
> |- org.eclipse.jetty.server.Handler[44] @ 0xf39ac918                                
                                    |          376 |           376 |      0.00% 
> |- org.springframework.web.servlet.HandlerExecutionChain @ 0xf3ddb378               
                                    |           48 |           264 |      0.00% 
> |- org.springframework.web.context.request.ServletRequestAttributes @ 0xf3d89bd0    
                                    |           56 |           248 |      0.00% 
> |- java.lang.ThreadLocal$ThreadLocalMap @ 0xec6fa4a0                                
                                    |           32 |           240 |      0.00% 
> |- org.apache.xerces.impl.XMLEntityManager$ScannedEntity @ 0xe6a21ff0               
                                    |          136 |           224 |      0.00% 
> '- Total: 25 of 65 entries                                                          
                                    |              |               |            
> class com.ranebh.abci18n.ResourceMgr @ 0xeaef8088                                   
                                   |           72 |   2,62,56,808 |      4.19% 
> java.util.concurrent.ConcurrentHashMap @ 0xebc69510                                 
                                    |          104 |   1,62,73,688 |      2.60% 
> class com.ranebh.abcsdk.nem.moconfig.support.motype.MoTypeConfigManager @ 0xee5e3e48
                                   |           24 |     88,41,872 |      1.41% 
> '- com.ranebh.abcsdk.nem.moconfig.support.motype.MoTypeConfigManager @ 0xee57cb70   
                                   |           72 |     88,41,848 |      1.41% 
> class org.springframework.beans.CachedIntrospectionResults @ 0xeb4c2fe8             
                                    |           48 |     48,73,360 |      0.78% 
> class com.ranebh.sdfcommons.util.ResolverHolder @ 0xeb5c7808                        
                                   |           32 |     42,74,776 |      0.68% 
> com.ranebh.abcsearching.engine.analyzer.Dictionary @ 0xf23a0348                     
                                   |           24 |     25,37,304 |      0.41% 
> class com.ranebh.abcsdk.nem.moconfig.support.mofeature.FileHandlerContainer @ 0xedae18b8
                               |           24 |     21,22,088 |      0.34% 
> class com.ranebh.abcextension.Extension @ 0xebc641d0                                
                                   |           24 |     17,45,104 |      0.28% 
> org.eclipse.osgi.internal.resolver.SystemState @ 0xeb2fa5c8 Busy Monitor            
                                    |          160 |     16,05,568 |      0.26% 
> sun.misc.Launcher$ExtClassLoader @ 0xeaab0a68                                       
                                    |          152 |     13,46,200 |      0.21% 
> sun.misc.Launcher$AppClassLoader @ 0xeac17150                                       
                                    |          160 |     13,45,600 |      0.21% 
> class com.ranebh.abcsdk.nem.moconfig.support.mofeature.FeatureMapContainer @ 0xeee4f128
                                |           16 |     13,27,568 |      0.21% 
> class com.ranebh.abcframework.rpc.support.restful.server.RestRpcServer @ 0xec9a8c80 
                                   |           32 |     11,74,712 |      0.19% 
> org.bouncycastle.jce.provider.BouncyCastleProvider @ 0xefd49968                     
                                    |          144 |     10,53,816 |      0.17% 
> java.lang.Thread @ 0xec770c48 Native Stack, Thread                                  
                                    |          176 |     10,06,264 |      0.16% 
> class com.ranebh.abcframework.roa.pool.ResourcePoolFactory @ 0xecb012e0             
                                   |           24 |      9,98,232 |      0.16% 
> class com.ranebh.abcframework.rpc.util.ParameterNameDiscovererUtil @ 0xec9af670     
                                   |            8 |      9,97,160 |      0.16% 
> org.apache.log4j.Hierarchy @ 0xeaac7e28                                             
                                    |           80 |      9,93,856 |      0.16% 
> class com.ranebh.sdfdas.core.config.sql.SqlManager @ 0xeb770dd8                     
                                   |           32 |      9,76,216 |      0.16% 
> com.ranebh.abcbase.launcher.CommonClassLoader @ 0xeb177f10 Busy Monitor             
                                   |          160 |      8,40,240 |      0.13% 
> com.ranebh.abcframework.appmgr.runtime.impl.AppServerMgrImpl @ 0xeaec5c50           
                                   |          120 |      8,09,304 |      0.13% 
> org.hornetq.core.postoffice.impl.PostOfficeImpl @ 0xec26eb80                        
                                    |          136 |      8,04,304 |      0.13% 
> class com.ranebh.sdfdas.core.config.sql.xml.XmlSqlProvider @ 0xeb76d408             
                                   |          120 |      7,41,640 |      0.12% 
> org.springframework.beans.factory.support.DefaultListableBeanFactory @ 0xeb6b0630   
                                    |          392 |      7,29,896 |      0.12% 
> java.util.jar.JarFile @ 0xeb12ac68                                                  
                                    |           96 |      6,36,968 |      0.10% 
> sun.net.www.protocol.jar.URLJarFile @ 0xeb1e7550                                    
                                    |          128 |      5,70,024 |      0.09% 
> org.apache.pluto.driver.container.PortletContextManager @ 0xed678738                
                                    |           88 |      5,18,648 |      0.08% 
> class org.apache.commons.logging.LogFactory @ 0xeb1a4bb0                            
                                    |          120 |      4,43,416 |      0.07% 
> com.sun.jmx.mbeanserver.JmxMBeanServer @ 0xeb397978                                 
                                    |           64 |      4,39,800 |      0.07% 
> class java.lang.reflect.Proxy @ 0xeae473f0 System Class                             
                                    |           32 |      4,28,784 |      0.07% 
> com.ranebh.abceam.ext.as.impl.metype.METypeCache @ 0xeedbe320                       
                                   |           32 |      4,28,360 |      0.07% 
> org.codehaus.jackson.map.ObjectMapper @ 0xec92da98                                  
                                    |           96 |      4,15,256 |      0.07% 
> org.springframework.flex.core.MessageBrokerFactoryBean @ 0xef044830                 
                                    |           80 |      4,05,096 |      0.06% 
> com.ranebh.abcframework.rpc.support.RpcContextSupport @ 0xec92da60                  
                                   |           96 |      4,00,200 |      0.06% 
> org.springframework.flex.core.MessageBrokerFactoryBean @ 0xef717fb8                 
                                    |           80 |      3,91,760 |      0.06% 
> org.springframework.beans.factory.support.DefaultListableBeanFactory @ 0xebd05738   
                                    |          392 |      3,51,568 |      0.06% 
> Total: 37 of 1,55,714 entries                                                       
                                    |              |               |            
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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