Jigar Naik

Hello,

I am new to regex, can someone tell me how do i write regex which will return me below 2 seperate strings from string "concat(hello,world)"

hello
world

Would appreciate if you can point out a good tutor to learn regex.

I tried below but it's returning me (hello,world) i want "hello" from the first group and "world" from the second group and so on depending on the number of parameters passed to the function.

String input = "concat(hello,world)"; String patternString = "\\(([^]]+)\\)";

Eclipse sometime does not clean the error message once it is resolved, so you need to manually delete it even though it is resolved.

Hi,

I am using Spring 3.x & JPA.

I am calling a service method as declared below with annotation @Transactional

@RemoteMethod @Transactional(propagation = Propagation.REQUIRES_NEW) public List<Region> getRegion(Long countryId) { List<Region> regions = null; try { Country country = countryRepository.findOne(countryId); regions = country.getRegions(); for (Region region : regions) { System.out.println("Region ID : " + region.getRegionId() + " , Region Name : " + region.getRegion()); } } catch (Exception e) { logger.error(e.getMessage(), e); } return regions; }

As i have declared method with annotation @Transactional(propagation = Propagation.REQUIRES_NEW) it should ideally start a new transaction with session but i am getting below exception.

Exception stack trace.

2015-07-11 04:16:23 ERROR RegionServiceImpl:41 - failed to lazily initialize a collection of role: org.jbiz.model.Country.regions, could not initialize proxy - no Session org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: org.jbiz.model.Country.regions, could not initialize proxy - no Session at org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:566) at org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:186) at org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:545) at org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:124) at org.hibernate.collection.internal.PersistentBag.iterator(PersistentBag.java:266) at org.jbiz.service.master.state.impl.RegionServiceImpl.getRegion(RegionServiceImpl.java:37) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.directwebremoting.impl.CreatorModule$1.doFilter(CreatorModule.java:172) at org.directwebremoting.impl.CreatorModule.executeMethod(CreatorModule.java:184) at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:353) at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:306) at org.directwebremoting.dwrp.BaseCallHandler.handle(BaseCallHandler.java:110) at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:211) at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:185) at org.directwebremoting.spring.DwrController.handleRequestInternal(DwrController.java:234) at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153) at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:838) at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812) at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:534) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1081) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658) at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1566) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1523) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745)


Here is my web.xml

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5"> <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/config/servletConfig.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>/dwr/*</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>*.html</url-pattern> </servlet-mapping> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/jpaContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <display-name>Archetype Created Web Application</display-name> </web-app>


Here is my jpaContext.xml

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xmlns:jpa="http://www.springframework.org/schema/data/jpa" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd"> <context:annotation-config /> <jpa:repositories base-package="org.jbiz.repository" /> <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" /> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="jbiz" /> <property name="dataSource" ref="jbizDataSource" /> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="true" /> </bean> </property> <property name="jpaPropertyMap"> <map> <entry key="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" /> <entry key="hibernate.hbm2ddl.auto" value="validate" /> <entry key="hibernate.format_sql" value="false" /> </map> </property> </bean> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory" /> <property name="nestedTransactionAllowed" value="true" /> </bean> <tx:annotation-driven transaction-manager="transactionManager" /> <bean id="jbizDataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/jbiz?autoReconnect=true&createDatabaseIfNotExist=true&" /> <property name="username" value="root" /> <property name="password" value="root" /> </bean> </beans>

Not sure why it's throwing lazy loading exception even though i am starting new transaction.

Can somebody help me overcome this issue ?

Thanks
Jigar Naik.

Hi,

I have created one logging aspect for logging every method calls of one class. however pointcut method is not getting called. Can anybody help me out in troubleshooting this issue.

Below are the code snippet.

Application Context.
... ... <aop:aspectj-autoproxy /> <bean id="testLoggingAspect" class="com.web.controller.LoggingAspect" /> <aop:config> <aop:pointcut id="loggingPointcut" expression="within(com.web.controller.cfx.BulkInputController)" /> <!-- The Advice(s). --> <aop:aspect id="loggingAspect" ref="testLoggingAspect"> <aop:before pointcut-ref="loggingPointcut" method="logEntry" /> <aop:after pointcut-ref="loggingPointcut" method="logExit" /> <aop:after-returning pointcut-ref="loggingPointcut" method="logExitAfterReturn" /> </aop:aspect> </aop:config> ... ...

LoggingAspect.java
package com.web.controller; import org.apache.log4j.Logger; import org.aspectj.lang.JoinPoint; public class LoggingAspect { private static final Logger logger = Logger.getLogger(LoggingAspect.class); public LoggingAspect() { System.out.println("****************** LoggingAspect.LoggingAspect() ******************"); } /** * Log method entry. * * @param joinPoint */ public void logEntry(final JoinPoint joinPoint) { logger.info("Entering method " + joinPoint.getSignature().getName() + "..."); } /** * Log method exit. * * @param joinPoint */ public void logExit(final JoinPoint joinPoint) { logger.info("Exiting method " + joinPoint.getSignature().getName() + "."); } /** * Log method exit after returning. * * @param joinPoint */ public void logExitAfterReturn(final JoinPoint joinPoint) { logger.info("Exiting method (after return) " + joinPoint.getSignature().getName() + "."); } /** * "Log" the provided String. * * @param messageToLog * String to be logged. */ public static void log(final String messageToLog) { logger.info(messageToLog); } }

15:01:16,637 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) JBAS014613: Operation ("deploy") failed - address: ([("deployment" => "EEDemo-EXT.ear")]) - failure description: {"JBAS014771: Services with missing/unavailable dependencies" => [ "jboss.deployment.subunit.\"EEDemo-EXT.ear\".\"EEDemo-EXTWeb.war\".batch is missing [jboss.deployment.subunit.\"EEDemo-EXT.ear\".\"EEDemo-EXTWeb.war\".beanmanager]", "jboss.persistenceunit.\"EEDemo-EXT.ear/EEDemo-EXTEJB.jar#primary\".__FIRST_PHASE__ is missing [jboss.naming.context.java.jboss.datasources.MysqlDS]", "jboss.deployment.subunit.\"EEDemo-EXT.ear\".\"EEDemo-EXTWeb.war\".weld.weldClassIntrospector is missing [jboss.deployment.subunit.\"EEDemo-EXT.ear\".\"EEDemo-EXTWeb.war\".beanmanager]", "jboss.deployment.unit.\"EEDemo-EXT.ear\".weld.weldClassIntrospector is missing [jboss.deployment.unit.\"EEDemo-EXT.ear\".beanmanager]"

From your stack trace only.

weld.weldClassIntrospector is missing

Google

Hello Guys,

I have implemented a web service client, which takes XML as an input and returns XML output.

I am converting that XML into fix length format to pass it to mainframe system and mainframe system will return fix length string.

I am calling mainframe system using JMS and using CorrelationID for identifying response.
I am using receive() method with correlation id as message selector and timeout of 5 seconds to get response from mainframe systems.
However the one who reviewed my code said. "Instead of using receive() method use Listener."

Now i am not able to understand how can i use Listener which works asynchronously with the web service which works synchronously.
Web service need to send response within few seconds.
How can i bind Listener's onMessage(Object object) with web service response ?

How do i design it ?

<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>

<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<%@taglib uri="http://www.springframework.org/tags" prefix="spring"%>


Why all these tag lib are not working when i run the application from eclipse, If i create war file and run the tomcat independently it works fine.

Tomcat 7
JDK 1.7
iOS 10x
Eclipse Luna

Hi,

I am trying to use JSTL in my spring MVC web app. I am getting below error message.

SEVERE: Servlet.service() for servlet [jsp] in context with path [/jrs] threw exception [The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application] with root cause org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application

Below is the entry of my pom.xml for jstl tag.

<dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> <type>jar</type> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> <type>jar</type> </dependency>

Not sure why i am getting this error message.
I checked the jstl jar in my classpath. the URI also seems to be the correct in the tld. file.

Can anybody spot the issue here ???

I am using tomcat 8.0.

Hello,

I am facing below issue while configuring Queue Manager details in IBM WebSphere Admin Console

ErrorWebSphere MQ server IBMMQ connection test failed for WebSphere MQ queue manager QM. CWSJP0050E: An attempt to connect to WebSphere MQ queue manager or queue sharing group QM failed. The WebSphere MQ reason code is MQRC_NOT_AUTHORIZED (2035)..

I am stuck with this issue, tried many things from google. None of them seems working for me.

Seems like it's able to to connect to Queue Manager because when i give wrong Queue Manager name it's giving different error message.

I am using IBM Web Sphere Trial Version 8.5, IBM Web Sphere MQ 8.5 with MQ Explorer 8.0.

Regards,
Jigar.

Why configuring web sphere is so complex !!! Why it's not like tomcat or weblogic or jboss ??

Hi,

Is there any good end to end JMS outbound example for synchronous request response functionality ?

I tried to Google through but could not get any end to end small simple example.

Hi,

I am trying to use togglez library for future toggle with Spring 2.0.
but the issue is that in one of the class of togglez library which usses method from Spring 2.5 to get applicationContext object.

Code from togglez library
public class SpringBeanFinder implements BeanFinder { @Override public <T> Collection<T> find(Class<T> clazz, Object context) { Collection<T> result = new ArrayList<T>(); WebApplicationContext applicationContext = null; if (context instanceof ServletContext) { applicationContext = WebApplicationContextUtils.getWebApplicationContext((ServletContext) context); } if (applicationContext == null) { applicationContext = ContextLoader.getCurrentWebApplicationContext(); } if (applicationContext != null) { result.addAll(applicationContext.getBeansOfType(clazz).values()); } return result; } }

so to load applicationContext for Spring 2.0 I have overridden method find as below.

public class DemoSpringBeanFinder extends SpringBeanFinder implements BeanFinder { @Override public <T> Collection<T> find(Class<T> clazz, Object context) { Collection<T> result = new ArrayList<T>(); WebApplicationContext applicationContext = null; if (context instanceof ServletContext) { applicationContext = WebApplicationContextUtils.getWebApplicationContext((ServletContext) context); } if (applicationContext == null) { applicationContext = MyApplicationConextLoader.getCurrentWebApplicationContext(); } if (applicationContext != null) { result.addAll(applicationContext.getBeansOfType(clazz).values()); } return result; } }
but the issue is that togglez library is still calling it's own version of find method.

Can anybody help me solve this issue.

Hi,

I have mocked one object and trying to mock one method which takes enum type value as a parameter but i am not able to pass the value of type enum with jmock. Below is the code snipet from test class.

public void testReadAndParseEpiReconSuccess() throws BusinessException, SystemException, IOException, ParseException { mockFile = getFile(FILE_NAME_SUCCESS); final ClientDao clientDaoImplMock = context.mock(ClientDao.class); epiReconFileUpload.setClientDao(clientDaoImplMock); final List<Client> clientList = new ArrayList<Client>(); clientList.add(new Client()); context.checking(new Expectations() { { oneOf(clientDaoImplMock).findByMappedId(with(any(String.class)), with(any(String.class)), with(any(String.class)),with(any(String.class)), with((MasterDataStatus.A))); will(returnValue(clientList)); } });

where method findByMappedId takes enum MasterDataStatus in the last parameter.

When i run this test i am getting below error message.

unexpected invocation: clientDao.findByMappedId("IN1", "MARKET TRADING", "ABC CLIENET CODE", "ABCD0000657", [<A>]) expectations: expected once, never invoked: clientDao.findByMappedId(an instance of java.lang.String, an instance of java.lang.String, an instance of java.lang.String, an instance of java.lang.String, <A>); returns <[....(elided)...data.dataobject.master.Client@4965c2e2]> parameter 0 matched: an instance of java.lang.String parameter 1 matched: an instance of java.lang.String parameter 2 matched: an instance of java.lang.String parameter 3 matched: an instance of java.lang.String parameter 4 did not match: <A>, because was [<A>] what happened before this: nothing! at org.jmock.api.ExpectationError.unexpected(ExpectationError.java:23) at org.jmock.internal.InvocationDispatcher.dispatch(InvocationDispatcher.java:85) at org.jmock.Mockery.dispatch(Mockery.java:231) at org.jmock.Mockery.access$100(Mockery.java:29) at org.jmock.Mockery$MockObject.invoke(Mockery.java:271) at org.jmock.internal.InvocationDiverter.invoke(InvocationDiverter.java:27) at org.jmock.internal.FakeObjectMethods.invoke(FakeObjectMethods.java:38) at org.jmock.internal.SingleThreadedPolicy$1.invoke(SingleThreadedPolicy.java:21) at org.jmock.lib.legacy.ClassImposteriser$4.invoke(ClassImposteriser.java:129) ( ... elided by moderator ... ) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:110) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

Can anybody help me on this ?

(Edited by Moderator -- Please see your private messages for an important reminder)

I cant believe I asked this question. I think it's an effect of loooong working hour.

Anyways thanks a lot everybody, My concept on Exception hierarchy and inheritance is now clear.

@Bill
Will surely get familiar with Java Doc very soon.

Cheers !!

Hi,

In my below code, BusinessException is subclass of Exception.
IOException is subclass of Exception that means IOException is also a subclass of BusinessException then why method saveFileToServer(..) needs to catch IOException even though i have declared throws BusinessException on saveFileToServer(..).

public class BusinessException extends CommonException { ... } public class CommonException extends Exception implements MessageSourceResolvable { ... } public File saveFileToServer(MultipartFile file) throws BusinessException { ... try { file.transferTo(outputFile); } catch (IOException e) { throw new BusinessException("Error while saving file to server.", e); } ... }

Can anybody clear my doubt ?