rajareddya reddy

Hi ,
I am trying to update the jmx values in jconsole as in the below program.I am able to update jmx attribute's value of type -wrapper type or any object type.

But I am not able to update jmx values of type -primitive data types.

I am getting exception when i am trying to the jmx attribute value of type boolean .please note that it is not java.lang.Boolean.

Code
public void modifyMBean(String beanName, Attribute editedAttribute) throws IntrospectionException, InstanceNotFoundException, ReflectionException, AttributeNotFoundException, InvalidAttributeValueException, MBeanException, IOException, MalformedObjectNameException { Object bname=null; try { for(Entry<Object,Object> beanname :Config.getInstance().getProperties().entrySet()){ if(beanname.getValue().equals(beanName)){ bname = beanname.getKey(); } } } catch (Exception e) { e.printStackTrace(); } String host = "localhost"; int port = 9999; String urlString ="service:jmx:remoting-jmx://" + host + ":" + port; System.out.println("\n\n\t**** urlString: "+urlString);; JMXServiceURL serviceURL = new JMXServiceURL(urlString); JMXConnector jmxConnector = JMXConnectorFactory.connect(serviceURL, null); MBeanServerConnection connection = jmxConnector.getMBeanServerConnection(); ObjectName objectName = new ObjectName(bname.toString()); javax.management.Attribute changedAttributeValue = null; try { if(editedAttribute.getType().equals("java.lang.String")){ changedAttributeValue = new javax.management.Attribute(editedAttribute.getName(), editedAttribute.getValue()); connection.setAttribute(objectName,changedAttributeValue); } else if(editedAttribute.getType().equals("java.lang.Long") ||editedAttribute.getType().equals("long")){ changedAttributeValue = new javax.management.Attribute(editedAttribute.getName(), new Long(editedAttribute.getValue())); connection.setAttribute(objectName,changedAttributeValue); } else if(editedAttribute.getType().equals("java.lang.Boolean") ||editedAttribute.getType().equals("boolean")){ changedAttributeValue = new javax.management.Attribute(editedAttribute.getName(), new Boolean(editedAttribute.getValue())); connection.setAttribute(objectName,changedAttributeValue); //am getting exception here when setting boolean literal value to jconsole bean attribute } else if(editedAttribute.getType().equals("java.lang.Integer") ||editedAttribute.getType().equals("integer")){ changedAttributeValue = new javax.management.Attribute(editedAttribute.getName(), new Integer(editedAttribute.getValue())); connection.setAttribute(objectName,changedAttributeValue); } } catch (Exception e) { e.printStackTrace(); } } }

Error:
java.io.IOException: java.lang.ClassNotFoundException: No classloader available at org.jboss.remotingjmx.protocol.v2.ServerProxy$SetAttributeHandler.handle(ServerProxy.java:1111) at org.jboss.remotingjmx.protocol.v2.ServerCommon$MessageReciever$1.run(ServerCommon.java:152) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.ClassNotFoundException: No classloader available at org.jboss.marshalling.AbstractClassResolver.getClassLoaderChecked(AbstractClassResolver.java:91) at org.jboss.marshalling.AbstractClassResolver.loadClass(AbstractClassResolver.java:135) at org.jboss.marshalling.AbstractClassResolver.resolveClass(AbstractClassResolver.java:116) at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:947) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1259) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:213) at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:72) at org.jboss.remotingjmx.protocol.v2.ServerProxy$SetAttributeHandler.handle(ServerProxy.java:1109) ... 4 more

Hi,

If the attributes are not applicable to memory pool mbean, then why they are configured for the same mbean in jconsole. Any reason behind this?

Hi,

backing bean scope is session

When I am trying to access java.lang:type=MemoryPool,name=PS Survivor Space mbean, I am seeing its attributes -usage threshold,usage thresholdcount,usage thresholdExceeded has Unavailable as as value.

Using my code, just i am displaying the attribute information in the jsf. i am able to display all that attributes except the attributes having unavailable as value.There I am getting exceptions like -avax.management.RuntimeMBeanException: java.lang.UnsupportedOperationException: Usage threshold

Dear All,

When I am trying to display the jmx attributes using web application for java.lang:type=MemoryPool,name=PS Eden Space Mbean, I am getting the below exception.



javax.management.RuntimeMBeanException: java.lang.UnsupportedOperationException: Usage threshold is not supported at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:839) [rt.jar:1.7.0_60-ea] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrowMaybeMBeanException(DefaultMBeanServerInterceptor.java:852) [rt.jar:1.7.0_60-ea] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:651) [rt.jar:1.7.0_60-ea] at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:678) [rt.jar:1.7.0_60-ea] at org.jboss.as.jmx.PluggableMBeanServerImpl$TcclMBeanServer.getAttribute(PluggableMBeanServerImpl.java:448) at org.jboss.as.jmx.PluggableMBeanServerImpl.getAttribute(PluggableMBeanServerImpl.java:171) at com.alu.dsa.manager.MBeansManager.getBeansInfo(MBeansManager.java:138) [classes:] at com.alu.dsa.entities.MBeanList.init(MBeanList.java:40) [classes:] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_60-ea] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_60-ea] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_60-ea] at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_60-ea] at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLife cycleMethodInterceptorFactory.java:130) [jboss-as-ee-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.ManagedReferenceInterceptorFactory$ManagedReferenceInterceptor.processInvocation(ManagedReferenceInterceptorFactory.java:106) [jbos s-as-ee-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:161) [jboss-as-ee-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10] at org.jboss.as.ee.component.BasicComponent.createInstance(BasicComponent.java:95) [jboss-as-ee-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10] at org.jboss.as.web.deployment.component.WebComponentInstantiator$2.<init>(WebComponentInstantiator.java:96) [jboss-as-web-7.2.1.Final-redhat-10.jar:7.2.1.Final -redhat-10] at org.jboss.as.web.deployment.component.WebComponentInstantiator.initializeInstance(WebComponentInstantiator.java:94) [jboss-as-web-7.2.1.Final-redhat-10.jar:7 .2.1.Final-redhat-10] at org.jboss.as.web.deployment.WebInjectionContainer.newInstance(WebInjectionContainer.java:88) [jboss-as-web-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10] at org.jboss.as.jsf.injection.JSFInjectionProvider.invokePostConstruct(JSFInjectionProvider.java:65) [jboss-as-jsf-injection-7.2.1.Final-redhat-10.jar:7.2.1.Fin al-redhat-10] at com.sun.faces.mgbean.BeanBuilder.invokePostConstruct(BeanBuilder.java:223) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:105) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:408) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:268) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:244) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:116) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:72) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1] at org.apache.el.parser.AstValue.getValue(AstValue.java:144) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1] at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:189) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1] at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at org.richfaces.component.UISequence.getValue(UISequence.java:179) [richfaces-components-a4j-4.5.0.Final.jar:4.5.0.Final] at org.richfaces.component.UISequence.createExtendedDataModel(UISequence.java:113) [richfaces-components-a4j-4.5.0.Final.jar:4.5.0.Final] at org.richfaces.component.UIDataAdaptor.getExtendedDataModel(UIDataAdaptor.java:460) [richfaces-components-a4j-4.5.0.Final.jar:4.5.0.Final] at org.richfaces.component.UIDataAdaptor.walk(UIDataAdaptor.java:810) [richfaces-components-a4j-4.5.0.Final.jar:4.5.0.Final] at org.richfaces.renderkit.html.RepeatRenderer.encodeChildren(RepeatRenderer.java:70) [richfaces-components-a4j-4.5.0.Final.jar:4.5.0.Final] at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:851) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at org.richfaces.renderkit.RendererBase.renderChildren(RendererBase.java:282) [richfaces-components-a4j-4.5.0.Final.jar:4.5.0.Final] at org.richfaces.renderkit.html.PanelRenderer.doEncodeEnd(PanelRenderer.java:183) [richfaces-components-rich-4.5.0.Final.jar:4.5.0.Final] at org.richfaces.renderkit.RendererBase.encodeEnd(RendererBase.java:180) [richfaces-components-a4j-4.5.0.Final.jar:4.5.0.Final] at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:881) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:312) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.renderkit.html_basic.GridRenderer.renderRow(GridRenderer.java:185) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRenderer.java:129) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1] at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:851) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at javax.faces.render.Renderer.encodeChildren(Renderer.java:168) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:851) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1]


Kindly help

Thanks,
Raja

Dear All,

What is the meaning of jmx attribute value - unavailable .I am facing problem when jmx attribute value is Unavailable.I am getting exceptions like javax.management.RuntimeMBeanException: java.lang.UnsupportedOperationException.

Can anybody help

Hi,
I am using jsf rich faces to dispay the page. Pagination is not working in the same page.Problem here is i am able to see the first page only for the pagination functionality.

Below is the part of the code from xhtml.

<rich:dataTable value="#{selectedBean.bean.attributes}" var="attribute" iterationStatusVar="it" id="table" rows="20"> <f:facet name="caption"> <h:outputText value="#{selectedBean.bean.name}" /> </f:facet> <f:facet name="header"> <h:outputText value="Attributes" /> </f:facet> <rich:column id="name" sortBy="#{attribute.name}" sortOrder="#{attributeSortingBean.nameOrder}" sortType="custom" filterValue="#{attributeFilteringBean.attributeFilter}" filterExpression="#{fn:containsIgnoreCase(attribute.name,attributeFilteringBean.attributeFilter)}" filterType="custom"> <f:facet name="header"> <h:panelGroup> <h:outputText value="Name" /> <h:inputText value="#{attributeFilteringBean.attributeFilter}"> <a4j:ajax event="blur" render="table" execute="@this"/> </h:inputText> <a4j:commandLink value="Sort" render="table" action="#{attributeSortingBean.sortByName}"/> </h:panelGroup> </f:facet> <h:outputText value="#{attribute.name}" /> </rich:column> <rich:column id="type"> <f:facet name="header"> <h:panelGroup> <h:outputText value="Type" /> </h:panelGroup> </f:facet> <h:outputText value="#{attribute.type}" /> </rich:column> <rich:column id="value"> <f:facet name="header"> <h:panelGroup> <h:outputText value="Value" /> </h:panelGroup> </f:facet> <h:outputText value="#{attribute.value}" /> </rich:column> <rich:column id="description"> <f:facet name="header"> <h:panelGroup> <h:outputText value="Description" /> </h:panelGroup> </f:facet> <h:outputText value="#{attribute.description}" /> </rich:column> <rich:column id="isWritable"> <f:facet name="header"> <h:panelGroup> <h:outputText value="isWritable" /> </h:panelGroup> </f:facet> <h:outputText value="#{attribute.isWritable}" /> </rich:column> <rich:column> <a4j:commandLink styleClass="no-decor" render="editGrid" execute="@this" rendered="#{attribute.isWritable}" oncomplete="#{rich:component('editPane')}.show()"> <h:graphicImage value="/images/icons/edit.gif" alt="edit" /> <f:setPropertyActionListener target="#{selectedBean.editedAttribute}" value="#{attribute}" /> </a4j:commandLink> </rich:column> <f:facet name="footer"> <rich:dataScroller /> </f:facet> </rich:dataTable>

Dear Jai Kiran,

I am trying to use jboss eap 6.1 's log4j also.

Please help me what are the steps i need to follow.

Hi Tsang,

Thanks for your kind reply.

Module means here it is java package.

Dear All,

My requiremnt is LOg4j need to support enabling trace per module. Is it possible.
My application has 5 modules.I need to write code such that LOG LEVEL should be applied to only the specific modules.For example my application has A,B,C,D,E modules.
I need to enable DEBUG level for A,WARN for B,FATAL for C,INFO D at that same time.

Can ANYBODY help on this.

Dear All,

My requirement is I need to change the LOG level at RUNTIME WITHOUT restarting jboss eap 6.1 server.

Below code is working when I run as a standalone application. But the same code is NOT working in JBOSS.

Client code:
import java.io.IOException; public class Log4jAppTest { static LoggerManager logger = LoggerManager.getLogger(Log4jAppTest.class); public static void main(String[] args) throws IOException { while(true){ logger.debug(logger.getBundle().getString("debug")); logger.info(logger.getBundle().getString("info")); logger.warn(logger.getBundle().getString("warn")); logger.error(logger.getBundle().getString("error")); logger.fatal(logger.getBundle().getString("fatal")); try { Thread.sleep(5000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }


LoggerManager.java

import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.net.URL; import java.net.URLClassLoader; import java.nio.file.Files; import java.nio.file.LinkOption; import java.nio.file.Path; import java.nio.file.Paths; import java.util.Locale; import java.util.Properties; import java.util.ResourceBundle; import org.apache.log4j.Logger; import org.apache.log4j.PropertyConfigurator; public class LoggerManager { private ResourceBundle bundle = null; private static LoggerManager instance; private Logger logger = null; private LoggerManager(String log4jPath, String bundlePath, String bundleFileName, Locale locale, Logger logger) throws IOException { PropertyConfigurator.configureAndWatch(log4jPath, 5000); setLogger(logger); File file = new File(bundlePath); URL[] urls = { file.toURI().toURL() }; ClassLoader loader = new URLClassLoader(urls); bundle = ResourceBundle.getBundle(bundleFileName, locale, loader); } public static LoggerManager getLogger(Class<?> class1) { try { Properties props = LoggerManager .loadMDFProperties("C:\\testcode\\MavenWeb\\src\\main\\resources\\XXX.properties"); if (instance == null) { instance = new LoggerManager( props.getProperty("log4jFileLocation"), props.getProperty("ResourceBundlePath"), "MDFBundle", new Locale(props.getProperty("i18n")), Logger.getLogger(class1)); } } catch (IOException ex) { ex.printStackTrace(); } return instance; } /** * Load properties. * * @param propertiesFile * path to properties file * @return filled in properties object * @throws IOException * if something goes wrong */ @SuppressWarnings("unused") public static Properties loadMDFProperties(final String propertiesFile) throws IOException { // Properties object we are going to fill up. Properties properties = new Properties(); // If file exists as an absolute path, load as input stream. final Path path = Paths.get(propertiesFile); if (Files.exists(path, LinkOption.NOFOLLOW_LINKS)) { properties.load(new FileInputStream(propertiesFile)); } else { // Otherwise, use resource as stream. properties.load(LoggerManager.class.getClassLoader() .getResourceAsStream(propertiesFile)); } return properties; } public ResourceBundle getBundle() { return bundle; } public void setBundle(ResourceBundle bundle) { this.bundle = bundle; } public Logger getLogger() { return logger; } public void setLogger(Logger logger) { this.logger = logger; } public void trace(Object o) { logger.trace(o); } public void trace(Object o, Throwable e) { logger.trace(o, e); } public void debug(Object o) { logger.debug(o); } public void debug(Object o, Throwable e) { logger.debug(o, e); } public void info(Object o) { logger.info(o); } public void info(Object o, Throwable e) { logger.info(o, e); } public void warn(Object o) { logger.warn(o); } public void warn(Object o, Throwable e) { logger.warn(o, e); } public void error(Object o) { logger.error(o); } public void error(Object o, Throwable e) { logger.error(o, e); } public void fatal(Object o) { logger.fatal(o); } public void fatal(Object o, Throwable e) { logger.fatal(o, e); } }

Please help me on this.

Dear all,

I am new to json concept. My requirement is need to send selected data using checkboxes in the UI to the spring controller. In the below code remediate is the checkbox..

Kindly give me the hint how to send the selcted json data to the controller.



var errordata ={"rows":[ {"object":"object1","rule":"rule1","line":1}, {"object":"object2","rule":"rule2","line":2}, {"object":"object2","rule":"rule3","line":3} ]}; $('#errordata').datagrid({ title:'Errors', iconCls:'icon-ok', width:520, height:250, multiple:true, remoteSort:false, columns:[[ {field:'object',title:'Object',width:60,sortable:true}, {field:'rule',title:'Rule',width:70,align:'right',sortable:true}, {field:'line',title:'Line',width:70,align:'right',sortable:true}, {field:'remediate',title:'Remediate',width:60,sortable:true,checkbox:true} ]] }).datagrid('loadData', errordata); ); } </script>

Dear Ulf Dittmer/Jayesh,

Thank you very much for your kind reply.



There are more than 40 methods(like rule_SelectInLoop and rule_CursorInLoop method calls) i need to call from validateWarnings method. That means i need to write 40 classes that implements Runnable class. Is there any way that i can implement the task executor functionality with less number of classes.

One more doubt is in validateWarnings method for the rule_SelectInLoop and rule_CursorInLoop method calls return type is LIST . i need to add all the LISTS that are return by these method calls.For this Taskexecutor functionality enough or i need to use callable functionality that returns future object.

Sir,

we have more methods like execute rule_SelectInLoop and rule_CursorInLoop .
we are uploading multiple files by checking rules(SelectInLoop,CursorInLoop etc..) check boxes in the UI. so here it is calling validateWarnings method and calling rule_SelectInLoop and rule_CursorInLoop methods inside for each file. problem here for each file it is calling the methods declared in the validateWarnings sequentially. it is taking lot of time. So we need to implement concurrency concept here.