No Such Field Error
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million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up NoSuchFieldError Java up vote 17 down vote favorite 4 I am getting a NoSuchFieldError in my code, now oracle isn't
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very clear about why this error is thrown only saying: this error can only occur at run time if the definition of a class has incompatibly changed. Can someone explain to me how one could 'incompatibly change' a class? The class I am talking about extends quite allot of classes so I suspect it might have to do with that but I don't know where to start looking or what I'm looking for. java.lang.nosuchfielderror hibernate java debugging share|improve this question asked Jul 13 '11 at 23:09 Tim 77331226 It would probably help if you included a stack trace or just a hint at what you attempted to do. –biziclop Jul 13 '11 at 23:12 can you post some code? –timaschew Jul 13 '11 at 23:12 Well, I have a class calles LuaUserdata that represents a Lua Userdata value (you can forget about lua, its unrelated) this class has a field called m_metatable, LuaUserdata is extended by class 'a', 'a' extended by 'b' and eventually class 'e' by 'Part'. When I try to access the field m_metatable in 'Part' I get this error, which is odd since the field ins't accessed a single time in classes a,b,etc and all classes that extend 'd' can still access the field. –Tim Jul 13 '11 at 23:19 add a comment| 4 Answers 4 active oldest votes up vote 30 down vote accepted This error is typically thrown if you only partially recompile your code. You've got old code that is referencing a field that no longer exists in the recompiled class files. The solution is to clean out all the class files and compile everything from fresh. Update: If you still get the same error after recompiling everything, then you'
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Sign in https://github.com/spring-projects/spring-loaded/issues/151 Pricing Blog Support Search GitHub This repository Watch 158 Star 1,354 Fork 266 spring-projects/spring-loaded Code Issues 99 https://dzone.com/articles/spring-and-0 Pull requests 9 Projects 0 Wiki Pulse Graphs New issue java.lang.NoSuchFieldError: r$sfields with spring-loaded #151 Open preethi29 opened no such this Issue Oct 4, 2015 · 3 comments Projects None yet Labels None yet Milestone No milestone Assignees No one assigned 3 participants preethi29 commented Oct 4, 2015 Hi, the configuration I used for no such field adding spring-loaded (tomcat 7, java 7) is '-javaagent:/Projects/springloaded-1.2.4.RELEASE.jar -noverify'. The app contains different modules which will be packed as .omod files and given to tomcat. When I start tomcat, I get the following error: java.lang.NoSuchFieldError: r$sfields at org.myproject.module.metadata.MetadataSharing17Configuration$$EnhancerByCGLIB$$ae5743fa.() at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.springframework.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:386) at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:219) at org.springframework.cglib.proxy.Enhancer.createHelper(Enhancer.java:377) at org.springframework.cglib.proxy.Enhancer.createClass(Enhancer.java:317) at org.springframework.context.annotation.ConfigurationClassEnhancer.createClass(ConfigurationClassEnhancer.java:118) at org.springframework.context.annotation.ConfigurationClassEnhancer.enhance(ConfigurationClassEnhancer.java:92) at org.springframework.context.annotation.ConfigurationClassPostProcessor.enhanceConfigurationClasses(ConfigurationClassPostProcessor.java:358) at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanFactory(ConfigurationClassPostProcessor.java:244) at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:694) at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:633) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461) Any idea why this error would be thrown? marweck commented Oct 4, 2015 Hi, Have you disabled session persistence on tomcat? I've only got spring-loaded to work with tomcat when I discovered this option. Just add
Refcardz Guides Zones | Agile Big Data Cloud Database DevOps Integration IoT Java Mobile Performance Web Dev Let's be friends: Spring and the java.lang.NoSuchFieldError: NULL Exception by Roger Hughes · May. 21, 13 · Performance Zone Like (0) Comment (0) Save Tweet {{ articles[0].views | formatCount}} Views Edit Delete {{ articles[0].isLocked ? 'Enable' : 'Disable' }} comments {{ articles[0].isLimited ? 'Remove comment limits' : 'Enable moderated comments' }} Join the DZone community and get the full member experience. Join For Free Download Forrester’s “Vendor Landscape, Application Performance Management” report that examines the evolving role of APM as a key driver of customer satisfaction and business success, brought to you in partnership with BMC. A few days ago I was going through a project's Maven dependencies, removing unused junk, checking jar file version numbers adding a little dependency management and generally tidying up (yes, I know that this isn't something we often get time to do, but even Maven dependencies can be a form of technical debt). After recompiling and running the unit tests I ran some end to end tests only to find that the whole thing fell apart... Big time. The exception I got was the usual one that all Spring developers get, a java.lang.IllegalStateException: Failed to load ApplicationContext ...exception. This is nothing new and as a Spring developer you find the problem, which is usually a missing bean definition and move on. Only this time it was something different, and that's because the cause was: java.lang.NoSuchFieldError: NULL ...which gives you no clues about what's going wrong. Now I knew that I'd been messing around with the project's dependencies, so I must have broken something somewhere. It turned out that it was a transient dependency problem. I was using Spring Security version 3.1.1-RELEASE, which is built using version 3.0.7-RELEASE of the Spring core libraries and not as you'd expect version 3.1.1-RELEASE. This meant that I'd ended up with different and incompatible versions of some of the Spring libraries on my classpath. You may well wonder why the Guys at Spring Security build their code with version 3.0.7-RELEASE and they say that this is intentional and that it's to do with backwards compatibility issues. As Rob Winch, Spring Security Lead at SpringSource, says: "Spring Security uses 3.0.x (intentionally to support users that require it). For this reason, if you build with Maven and want to use Spring 3.1 you must either exclude the Spring dependencies in your maven pom, explicitly add the Spring 3.1 dependencies to your pom, or