No Such Error Method Java
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Nosuchmethoderror In Java At Runtime
only takes a minute: Sign up How do I fix a NoSuchMethodError? 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 java lang nosuchmethoderror at runtime In Netbeans: Right click on project in Projects tab, use "Clean and Build". Solved it for 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 rece
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Nosuchmethoderror Main
programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Causes of 'java.lang.NoSuchMethodError: main Exception in thread “main”' up vote 45 down vote favorite 9 New Java programmers often encounter http://stackoverflow.com/questions/35186/how-do-i-fix-a-nosuchmethoderror this message when they attempt to run a Java program: java.lang.NoSuchMethodError: main Exception in thread "main" What does this mean, what can cause it, and what should one do to fix it? java main nosuchmethoderror share|improve this question edited Mar 24 '13 at 1:23 community wiki 4 revs, 3 users 81%Stephen C Just guessing they're calling a function that doesn't exist, but the compiler is supposed to stop you if you were http://stackoverflow.com/questions/5407250/causes-of-java-lang-nosuchmethoderror-main-exception-in-thread-main to do that. –eternalmatt Mar 23 '11 at 15:04 Wikification complete. –Tim Post♦ Mar 23 '11 at 15:07 @eternalmatt - This is a case that the compiler cannot deal with. See my answer for details. –Stephen C Oct 8 '14 at 6:09 add a comment| 7 Answers 7 active oldest votes up vote 28 down vote accepted When you use the java command to run a Java application from the command line, e.g., java some.AppName arg1 arg2 ... the command loads the class that you nominated, and then looks for the entry point method called main. More specifically, it is looking for a method that is declared as follows: package some; public class AppName { ... public static void main(String[] args) { // body of main method follows ... } } The specific requirements for the entry point method are: The method must be in the nominated class. The name of the method must be "main" with exactly that capitalization1. The method must be public. The method must be static 2. The method's return type must be void. The method must have exactly one argument and the type of that argument must be String[] 3. (The String[] argument is used to pass the arguments from the command line, and is required even if y
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Certification Databases Caching Books Engineering Languages Frameworks Products This Site Careers Other all forums Forum: Java in General java.lang.NoSuchMethodError Sona Patel Ranch Hand Posts: 75 posted 7 years ago Hi All.. I have two classes. First class has two static methods. Second class is calling one of the static methods from first class without creating instance. Both the classes compiled without errors. But while running second class i am getting "java.lang.NoSuchMethodError" where i am calling static method of first class. Everything seems fine. No compile time error. Then what can be the reason of this runtime error. Thanks Steve Luke Bartender Posts: 4181 22 I like... posted 7 years ago We need more information: 1) The exact (copy and paste) of the error you get. Likely this will tell you exactly what the problem is 2) The lines of code that cause the error (you can get the location of the error from the stack trace the error give you. Steve Sona Patel Ranch Hand Posts: 75 posted 7 years ago I can not copy paste exact code but below is the snap shot of it Classes are as below public class abc { private static String HOMECC = null; private static String HOMENDC = null; public static String getHomeCC() { return HOMECC; } public static String getHomeNDC() { return HOMENDC; } } public class def { protected boolean isHomeSubscriber(String senderMsisdn) { boolean result = false; String tmphomeNDC = abc.getHomeNDC(); // java.lang.NoSuchMethodError is thrown from here System.out.println(tmphomeNDC); String tmphomeCC = abc.getHomeCC(); // No Error System.out.println(tmphomeCC); return result; } } swati aole Greenhorn Posts: 9 posted 7 years ago Sona Patel wrote:I can not copy paste exact code but below is the snap shot of it Classes are as below public class abc { private static String HOMECC = null; private static String HOMENDC = null; public static String getHomeCC() { return HOMECC; } public static String getHomeNDC() { return HOMENDC; } } public class def { protected boolean isHomeSubscriber(String senderMsisdn) { boolean result = false; String tmphomeNDC = abc.getHomeNDC(); // java.lang.NoSuchMethodError is thrown from here System.out.println(tmphomeNDC); String tmphomeCC = abc.getHomeCC(); // No Error System.out.println(tmphomeCC); return result; } } I think the java.lang.NoSuchMethodError is thrown because the interpreter is trying to find main() which you'ven't provided.. Steve Luke Bartender Posts: 4181 22 I lik