sunil kumar reddy created FLEX-35325:
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Summary: [BLAZEDS]When data is send continuously ,Memory Leak
happening in BlazeDS
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
When send large data repeatedly to BlazeDS without endpoint, it is occupying
huge memory and causing Denial of service.
After certain time also,memory not coming down.
We took heap dump and analysed and found that 70% of the memory used by objects
of BlazeDS.see below information
Class Name
| Shallow Heap | Retained Heap |
Percentage
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| | |
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$ScannedEntity @ 0xe6a21ff0
| 136 | 224 |
0.00%
'- Total: 25 of 65 entries
| | |
class com.ranebh.oms.i18n.ResourceMgr @ 0xeaef8088
| 72 | 2,62,56,808 |
4.19%
java.util.concurrent.ConcurrentHashMap @ 0xebc69510
| 104 | 1,62,73,688 |
2.60%
class com.ranebh.oms.sdk.nem.moconfig.support.motype.MoTypeConfigManager @
0xee5e3e48 | 24 | 88,41,872 |
1.41%
'- com.ranebh.oms.sdk.nem.moconfig.support.motype.MoTypeConfigManager @
0xee57cb70 | 72 | 88,41,848
| 1.41%
class org.springframework.beans.CachedIntrospectionResults @ 0xeb4c2fe8
| 48 | 48,73,360 |
0.78%
class com.ranebh.bme.commons.util.ResolverHolder @ 0xeb5c7808
| 32 | 42,74,776 |
0.68%
com.ranebh.oms.searching.engine.analyzer.Dictionary @ 0xf23a0348
| 24 | 25,37,304 |
0.41%
class com.ranebh.oms.sdk.nem.moconfig.support.mofeature.FileHandlerContainer @
0xedae18b8 | 24 | 21,22,088 |
0.34%
class com.ranebh.oms.extension.Extension @ 0xebc641d0
| 24 | 17,45,104 |
0.28%
org.eclipse.osgi.internal.resolver.SystemState @ 0xeb2fa5c8 Busy Monitor
| 160 | 16,05,568 |
0.26%
sun.misc.Launcher$ExtClassLoader @ 0xeaab0a68
| 152 | 13,46,200 |
0.21%
sun.misc.Launcher$AppClassLoader @ 0xeac17150
| 160 | 13,45,600 |
0.21%
class com.ranebh.oms.sdk.nem.moconfig.support.mofeature.FeatureMapContainer @
0xeee4f128 | 16 | 13,27,568 |
0.21%
class com.ranebh.oms.framework.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.oms.framework.roa.pool.ResourcePoolFactory @ 0xecb012e0
| 24 | 9,98,232 |
0.16%
class com.ranebh.oms.framework.rpc.util.ParameterNameDiscovererUtil @
0xec9af670 | 8 |
9,97,160 | 0.16%
org.apache.log4j.Hierarchy @ 0xeaac7e28
| 80 | 9,93,856 |
0.16%
class com.ranebh.bme.das.core.config.sql.SqlManager @ 0xeb770dd8
| 32 | 9,76,216 |
0.16%
com.ranebh.oms.base.launcher.CommonClassLoader @ 0xeb177f10 Busy Monitor
| 160 | 8,40,240 |
0.13%
com.ranebh.oms.framework.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.bme.das.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.oms.eam.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.oms.framework.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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