nested exception is java lang nullpointerexception

After installing Oracle 10 Gb, run em and the interface is displayed, but an error is reported: Java. Lang. Exception: exception in sending request: NULL Many functions are not available, prompting you to log on again

The external android project is imported to ecplise. The compilation is normal and an error is returned. The logcat is as follows: 12-19 10:55:25. 915: E/AndroidRuntime (2929): fatal exception: main12-19 10:55:25. 915: E/AndroidRuntime (2929):

Package java. Lang; /*** A subclass of throwable. An application-level exception can be handled in a Catch Block,* It can also be thrown to the top management (encapsulation can be performed as needed when being thrown to the top management)** Comment by liqiang** @ Author Frank Yellin**/Public class exception extend

1. During Development today, we suddenly encountered the following problems. The console is printed as follows: 2010-7-20 23:35:42 org. Apache. Catalina. Core. standardwrappervalve invokeSevere: servlet. Service () for servlet JSP threw exceptionJava. Lang. nosuchmethoderror: javax. servlet. jsp. jspfactory. getjspapplicationcontext (ljavax/servlet/servletcontext;) ljavax/servlet/JSP/jspapplicationcontext;

Debug with myeclipseCodeWe often add the main method to the Java file for debugging. Sometimes the following errors may occur due to package compatibility problems, resulting in debugging failure: **************************************** ********************** Exception in thread "Main" Java. lang. linkageerror: jaxb

Java. Lang. illegalargumentexception:Timeout arguments out of range exceptionCodeAs follows:Long T = list. Get (0). getfromtime ()-0; For (INT I = 0; I {Try{Thread. Sleep (t );} Catch (interruptedexception E){// Todo auto-generated Catch BlockE. printstacktrace ();} Thread. Sleep (t); then an exception is reported. T

org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)at org.apache.catalina.core.ApplicationFilterConfig. Core error cause: java. lang. noClassDefFoundError: org/apache/commons/lang3/StringUtils. Obviously, this class is not fo

Error message exception in thread "Main" Java. lang. exceptionininitializererrorat Org. hibernate. cfg. configuration. reset (configuration. java: 330) at Org. hibernate. cfg. configuration. My little hibernatedemo example (hibernate3.6.0) has not been changed. I just changed a setting of eclipse Jee 3.6. As shown in t

This is a common exception when using the javamail function. The reason is that the jar package version is inconsistent. The solution is as follows:Delete the packages in Java ee 5 libraries/javaee. Jar/mail.The specific method

This is a common exception when using the javamail function. The reason is that the jar package version is inconsistent. The solution is as follows:Delete the packages in Java ee 5 libraries/javaee. Jar/mail.The specific method

This exception is a property that appears in the injected configuration file that is configured in the Times error:Injection of autowired dependencies failed; Nested exception is java.lang.IllegalArgumentException:Could no resolve

My inheritance class refers to the service layer method, the annotated way is @autowiredThe note will not report an error if it is referenced after the container tomcat is started, and java.lang.NullPointerException errors will not be reported.If you want to invoke data from the database at initialization time, the service layer class

. beancreationexception:Error creating bean with name 'sessionfactory 'defined in servletcontext Resource[/WEB-INF/Context/applicationContext-hibernate.xml]:Invocation of init method failed; Nested exception is org. hibernate. hibernateexception:Unable to instantiate default tuplizer [org. hibernate. tuple. entity. pojoentitytuplizer] After I deployed the project

HTTP Status 500-cannot get Jedis connection; Nested exception is redis.clients.jedis.exceptions.JedisConnectionException:Could not get a resource from the pool Type Exception the cannot get Jedis connection; Nested exception

$ scheduledfuturetask. Run (scheduledthreadpoolexecutor. Java: 207)At java. util. Concurrent. threadpoolexecutor $ worker. runtask (threadpoolexecutor. Java: 886)At java. util. Concurrent. threadpoolexecutor $ worker. Run (threadpoolexecutor. Java: 908)At

MyEclipse Java.lang.NoSuchMethodError:org.objectweb.asm.ClassVisitor.visit Solution when developing SSH integration This article solves the problem with the core tip: 2007-08-08 Discovery with MyEclipse 5.5 to do Struts 1.2 + Spring 2.0 + Hibernate 3.1 When consolidating the error reported in the startup process: 2007-08-08 15:36:17,406 ERROR [Org.hibernate.proxy.BasicLazyInitializer]-cglib enhancement Failed:dao. UserJava.lang.NoSuchMethodError:org.objectweb.asm.ClassVisitor.visit (iiljava/

HTTP Status 500-request processing failed; Nested exception is Java.lang.NullPointerExceptionType Exception reportmessage Request processing failed; Nested exception is Java.lang.NullPo

) Org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions ( Xmlbeandefinitionreader.java:334) Org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions ( Xmlbeandefinitionreader.java:302)This is a Java version of the problem.Look for the next Mac Java installation directory, command:/usr/libexec/java_home-vModify