Nosuchmethod Error In Java
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No Such Method Error Ljava/lang/string
up vote 66 down vote favorite 14 I'm getting a NoSuchMethodError error when running my Java program. What's wrong and how do I fix it? java nosuchmethoderror share|improve this question edited Apr 26 '12 at 0:34 Charles Menguy 20.3k135893 asked Aug 29 '08 at 20:04 John Meagher 9,62294250 3 In Netbeans: Right click on project in Projects tab, use "Clean and Build". Solved it for nosuchmethoderror runtime me. –Heinzlmaen Jan 20 at 12:50 add a comment| 13 Answers 13 active oldest votes up vote 101 down vote accepted Without any more information it is difficult to pinpoint the problem, but the root cause is that you most likely have compiled a class against a different version of the class that is missing a method, than the one you are using when running it. Look at the stack trace ... If the exception appears when calling a method on an object in a library, you are most likely using separate versions of the library when compiling and running. Make sure you have the right version both places. If the exception appears when calling a method on objects instantiated by classes you made, then your build process seems to be faulty. Make sure the class files that you are actually running are updated when you compile. share|improve this answer answered Aug 29 '08 at 20:14 Vetle 1,35311626 We recently discovered the cause of one of these and it turned out the build process was putting class files in place before the java server was shut down, and we hit this because the java ser
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the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Java “NoSuchMethodError” up vote 21 http://stackoverflow.com/questions/35186/how-do-i-fix-a-nosuchmethoderror down vote favorite I'm getting: NoSuchMethodError: com.foo.SomeService.doSmth()Z Am I understanding correctly that this 'Z' means that return type of doSmth() method is boolean? If true, then that kind of method really does not exist because this method returns some Collection. But on the other hand if I call this method, I'm not assigning its return value to any variable. I just call this method like http://stackoverflow.com/questions/3695340/java-nosuchmethoderror this: service.doSmth(); Any ideas why this error occurs? All necessary JAR files exist and all other methods from this class seems to exist. java nosuchmethoderror share|improve this question edited Feb 8 '14 at 12:03 Sam Rad 7,46352241 asked Sep 12 '10 at 15:19 vrm 65221224 2 Perhaps you're using it in a if/while? if( service.doSmth() ) ?? –OscarRyz Sep 12 '10 at 15:23 possible duplicate of How do I fix a NoSuchMethodError?, Interpreting java.lang.NoSuchMethodError message, etc. –Pascal Thivent Sep 12 '10 at 15:34 1 Although it is ages ago, I have to thank @OscarRyz for his answer. I did use such a method within a CollectionUtils.filter method, where my method returned the Predicate. Weird enough that I switched it back as it was and now it works, don't understand that actually .. –BAER Nov 19 '14 at 9:02 add a comment| 7 Answers 7 active oldest votes up vote 22 down vote accepted Looks like method exists in classpath during compilation, but not during running of your application. I don't think return type is a problem. If it was, it wouldn't compile. Compiler throws error when method call is ambiguous, and
Method java.lang https://www.ibm.com/developerworks/community/blogs/738b7897-cd38-4f24-9f05-48dd69116837/entry/debugging_java_lang_nosuchmethoderror Class NoSuchMethodError java.lang.Object java.lang.Throwable java.lang.Error java.lang.LinkageError java.lang.IncompatibleClassChangeError java.lang.NoSuchMethodError All Implemented Interfaces: Serializable public class NoSuchMethodError extends IncompatibleClassChangeError Thrown if an application tries method error to call a specified method of a class (either static or instance), and that class no longer has a definition of that method. Normally, this error is no such method caught by the compiler; this error can only occur at run time if the definition of a class has incompatibly changed. Since: JDK1.0 See Also:Serialized Form Constructor Summary Constructors Constructor and Description NoSuchMethodError() Constructs a NoSuchMethodError with no detail message. NoSuchMethodError(Strings) Constructs a NoSuchMethodError with the specified detail message. Method Summary Methods inherited from classjava.lang.Throwable addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, 2016May 2016November 2015September 2015April 2015March 2015February 2015September 2014December 2013June 2013May 2013January 2013November 2012August 2012July 2012June 2012May 2012April 2012March 2012February 2012November 2011September 2011July 2011June 2011May 2011July 2010February 2010December 2009 ▼ Links ▼ Blog Authors Java Technology Community View All Entries Clicking the button causes a full page refresh. The user could go to the "Entry list" region to view the new content.) Entry list Debugging java.lang.NoSuchMethodError Priyanka_JTC 270001D5R1 | | 2 Comments | 29,211 Views Debugging java.lang.NoSuchMethodError- What is java.lang.NoSuchMethodError ? This is an Error. It means that when the code was compiled, the method existed in the class. But when the code was run, the method didn't exist. Why java.lang.NoSuchMethodError happens ? This happens when the referenced class used to compile the code and the class in the class path used to run the code are different. This error is caught by the compiler. this error can only occur at run time if the definition of a class has incompatibly changed. How to debug java.lang.NoSuchMethodError ?User should check for this possibility whether definition of a class has incompatibly changed. JVM option - -Dibm.cl.verbose=