[jira] [Created] (HADOOP-15817) Reuse Object Mapper in KMSJSONReader

["Jonathan Eagles (JIRA)" <ji...@apache.org>]

Jonathan Eagles created HADOOP-15817:
----------------------------------------

             Summary: Reuse Object Mapper in KMSJSONReader
                 Key: HADOOP-15817
                 URL: https://issues.apache.org/jira/browse/HADOOP-15817
             Project: Hadoop Common
          Issue Type: Bug
          Components: kms
            Reporter: Jonathan Eagles


Paying an expensive cost to construct object mapper deserializer cache.
 
{code:title=KMS Server Stack Trace}
"qtp1926764753-117" #117 prio=5 os_prio=0 tid=0x000000000321c000 nid=0x1f0bd runnable [0x00002b4caabf7000]
   java.lang.Thread.State: RUNNABLE
        at java.lang.reflect.Executable.sharedGetParameterAnnotations(Executable.java:553)
        at java.lang.reflect.Constructor.getParameterAnnotations(Constructor.java:523)
        at org.codehaus.jackson.map.introspect.AnnotatedClass._constructConstructor(AnnotatedClass.java:784)
        at org.codehaus.jackson.map.introspect.AnnotatedClass.resolveCreators(AnnotatedClass.java:327)
        at org.codehaus.jackson.map.introspect.BasicClassIntrospector.classWithCreators(BasicClassIntrospector.java:187)
        at org.codehaus.jackson.map.introspect.BasicClassIntrospector.collectProperties(BasicClassIntrospector.java:157)
        at org.codehaus.jackson.map.introspect.BasicClassIntrospector.forCreation(BasicClassIntrospector.java:119)
        at org.codehaus.jackson.map.introspect.BasicClassIntrospector.forCreation(BasicClassIntrospector.java:16)
        at org.codehaus.jackson.map.DeserializationConfig.introspectForCreation(DeserializationConfig.java:877)
        at org.codehaus.jackson.map.deser.BasicDeserializerFactory.createMapDeserializer(BasicDeserializerFactory.java:430)
        at org.codehaus.jackson.map.deser.StdDeserializerProvider._createDeserializer(StdDeserializerProvider.java:380)
        at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCache2(StdDeserializerProvider.java:310)
        at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCacheValueDeserializer(StdDeserializerProvider.java:290)
        - locked <0x0000000752fbbc28> (a java.util.HashMap)
        at org.codehaus.jackson.map.deser.StdDeserializerProvider.findValueDeserializer(StdDeserializerProvider.java:159)
        at org.codehaus.jackson.map.deser.StdDeserializerProvider.findTypedValueDeserializer(StdDeserializerProvider.java:180)
        at org.codehaus.jackson.map.ObjectMapper._findRootDeserializer(ObjectMapper.java:2829)
        at org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:2728)
        at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1909)
        at org.apache.hadoop.crypto.key.kms.server.KMSJSONReader.readFrom(KMSJSONReader.java:52)
        at org.apache.hadoop.crypto.key.kms.server.KMSJSONReader.readFrom(KMSJSONReader.java:35)
        at com.sun.jersey.spi.container.ContainerRequest.getEntity(ContainerRequest.java:474)
        at com.sun.jersey.server.impl.model.method.dispatch.EntityParamDispatchProvider$EntityInjectable.getValue(EntityParamDispatchProvider.java:123)
        at com.sun.jersey.server.impl.inject.InjectableValuesProvider.getInjectableValues(InjectableValuesProvider.java:46)
        at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$EntityParamInInvoker.getParams(AbstractResourceMethodDispatchProvider.java:153)
        at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:203)
        at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
        at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
        at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
        at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
        at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
        at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
        at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
        at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
        at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
        at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339)
        at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
        at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
        at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1772)
        at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:205)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at org.apache.hadoop.crypto.key.kms.server.KMSMDCFilter.doFilter(KMSMDCFilter.java:84)
{code}



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