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Cloudera, BigData, Semantic IoT, Hadoop, NoSQL

Cloudera CDH/CDP 및 Hadoop EcoSystem, Semantic IoT등의 개발/운영 기술을 정리합니다. gooper@gooper.com로 문의 주세요.


프로그램에서 servlet이 필요하여 provided (group: 'javax.servlet', name: 'servlet-api', version:'2.5')와 같은 방법등으로 servlet api를 사용하는데 이렇게 되면 필요한 jar가 만들어지고 다른곳에서 만들어진jar를 쓸때 servlet관련 경고가 발생하면서 만들어진jar 전체를 사용하지 못하는 문제가 발생한다.

이때는 tomcat설치 위치 밑에 lib로 가서 servlet-api.jar를 복사하여 java가 설치된 위치의 jre/lib/ext에 복사해준다. 이렇게 하면 client에서 별도로 가지고 있지 않아도 전체적으로 servlet-api.jar에 있는 클래스를 사용할 수 있게된다.


*참고

정보: validateJarFile(C:devworkspace.metadata.pluginsorg.eclipse.wst.server.coretmp4wtpwebappssda2WEB-INFlibsda-common-2.0.0-SNAPSHOT.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class:javax/servlet/Servlet.class라는 부분을 보면 servlet.class만 등록되지 않는다고 했으나 "com.gooper.comm.logger.LoggerAspect"를 포함하는 test-common-2.0.0-SNAPSHOT.jar 전체가 등록되지 않아서 class를 찾지 못하는 오류가 발생하고 있다.


----오류내용

8월 10, 2016 2:29:58 오후 org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom

정보: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [225] milliseconds.

8월 10, 2016 2:29:59 오후 org.apache.catalina.loader.WebappClassLoader validateJarFile

정보: validateJarFile(C:devworkspace.metadata.pluginsorg.eclipse.wst.server.coretmp4wtpwebappssda2WEB-INFlibtest-common-2.0.0-SNAPSHOT.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class:javax/servlet/Servlet.class

8월 10, 2016 2:30:07 오후 org.apache.catalina.startup.TaglibUriRule body

정보: TLD skipped. URI: http://www.springframework.org/tags/form is already defined

8월 10, 2016 2:30:07 오후 org.apache.catalina.startup.TaglibUriRule body

정보: TLD skipped. URI: http://www.springframework.org/tags is already defined

8월 10, 2016 2:30:08 오후 org.apache.catalina.startup.TldConfig execute

정보: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.

8월 10, 2016 2:30:08 오후 org.apache.catalina.core.ApplicationContext log

정보: No Spring WebApplicationInitializer types detected on classpath

8월 10, 2016 2:30:08 오후 org.apache.catalina.core.ApplicationContext log

정보: Initializing Spring root WebApplicationContext

log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).

log4j:WARN Please initialize the log4j system properly.

log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

8월 10, 2016 2:30:08 오후 org.apache.catalina.core.StandardContext listenerStart

심각: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener

org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.gooper.comm.logger.LoggerAspect] for bean with name 'loggerAspect' defined in file [C:devworkspace.metadata.pluginsorg.eclipse.wst.server.coretmp4wtpwebappssda2WEB-INFclassesconfigspringcontext-aspect.xml]; nested exception is java.lang.ClassNotFoundException: com.gooper.comm.logger.LoggerAspect

at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1327)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:594)

at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1396)

at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:959)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:683)

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)

at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)

at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5003)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5517)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.ClassNotFoundException: com.gooper.comm.logger.LoggerAspect

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1858)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1709)

at org.springframework.util.ClassUtils.forName(ClassUtils.java:247)

at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:395)

at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1348)

at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1319)

... 18 more


8월 10, 2016 2:30:08 오후 org.apache.catalina.core.ApplicationContext log

번호 제목 날짜 조회 수
261 hive기동시 Caused by: java.net.URISyntaxException: Relative path in absolute URI: ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D 오류 발생시 조치사항 2016.09.25 617
260 hive metadata(hive, impala, kudu 정보가 있음) 테이블에서 db, table, owner, location를 조회하는 쿼리 2020.02.07 622
259 Query 1234:1234 expired due to client inactivity(timeout is 5m)및 invalid query handle 2022.06.10 626
258 spark-shell실행시 "A read-only user or a user in a read-only database is not permitted to disable read-only mode on a connection."오류가 발생하는 경우 해결방법 2016.05.20 627
257 Scala에서 countByWindow를 이용하기(예제) 2018.03.08 631
256 spark-submit 실행시 "java.lang.OutOfMemoryError: Java heap space"발생시 조치사항 2018.02.01 641
255 Container killed by the ApplicationMaster. Container killed on request. Exit code is 143 Container exited with a non-zero exit code 143 TaskAttempt killed because it ran on unusable node 오류시 조치방법 2017.04.06 646
254 [Hive canary]Hive에 Metastore canary red alert및 hive log파일에 Duplicate entry '123456' for key 'NOTIFICATION_LOG_EVENT_ID'가 발생시 조치사항 2023.03.10 647
253 [Kudu]ERROR: Unable to advance iterator for node with id '2' for Kudu table 'impala::core.pm0_abdasubjct': Network error: recv error from unknown peer: Transport endpoint is not connected (error 107) 2023.03.16 647
252 Error: Could not find or load main class nodemnager 가 발생할때 해결하는 방법 2015.06.05 652
251 db를 통째로 새로운 이름의 db로 복사하는 방법/절차 2017.11.14 652
250 Error: java.lang.RuntimeException: java.lang.OutOfMemoryError 오류가 발생하는 경우 2018.09.20 654
249 kudu의 내부 table명 변경하는 방법 2022.11.10 656
248 [Atlas Server]org.apache.hadoop.hbase.security.AccessDeniedException: Insufficient permissions (user=atlas/node01.gooper.com@GOOPER.COM, scope=default:atlas_janus, params=[table=default:atlas_janus,], action-CREATE)] 2023.05.15 659
247 Kafka Offset Monitor로 kafka 상태 모니터링 하기 file 2016.11.08 663
246 [HDFS]Encryption Zone에 생성된 테이블 조회시 Failed to open HDFS file hdfs://nameservice1/tmp/zone1/sec_test_file.txt Error(255): Unknown error 255 Root cause: AuthorizationException: User:impala not allowd to do 'DECRYPT_EEK' on 'testkey' 2023.06.29 663
245 Job이 끝난 log을 볼수 있도록 설정하기 2016.05.30 664
244 동시에 많은 요청이 endpoint로 몰려서java.net.NoRouteToHostException가 발생하는 경우의 처리방법 2016.10.17 664
243 compile할때와 exclude할때 대상을 표현하는 명칭이 다르므로 주의할것 2016.08.10 669
242 초기 오류(java.lang.NoSuchMethodError)에 따른 후속 작업에서 오류(java.lang.NoClassDefFoundError)가 발생되는 상황(quartz에서 주기적으로 작업시) 2016.08.29 670
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