No Such Field Error Java Lang Nosuchfielderror
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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 very clear about why this
Java.lang.nosuchfielderror: Before_class
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 debugging share|improve this question asked Jul 13 allow_final_fields_as_mutators '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're probably compiling against one version of an external library and using another at runtime. What
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Sign in Pricing Blog Support Search GitHub https://github.com/elastic/elasticsearch/issues/13052 This repository Watch 1,779 Star 18,932 Fork 6,452 elastic/elasticsearch Code Issues 1,044 Pull requests 84 Projects 0 Pulse Graphs https://caffinc.github.io/2015/12/sqs-instance-exception/ New issue Getting java.lang.NoSuchFieldError run time error on field JRE_IS_64BIT #13052 Closed kvramana opened this Issue Aug 22, 2015 · 1 no such comment Projects None yet Labels None yet Milestone No milestone Assignees No one assigned 1 participant kvramana commented Aug 22, 2015 My environment: I am using ES 1.7.1, with jdk1.7.0_72, on a Linux x86-64 bit platform, and in its no such field lib directory, there is this jar called lucene-core-4.10.4.jar. A simple ES transport client, using its JAVA API, produces this error stack trace: java.lang.NoSuchFieldError: JRE_IS_64BIT at org.apache.lucene.util.RamUsageEstimator.(RamUsageEstimator.java:145) at org.elasticsearch.common.util.BigArrays.(BigArrays.java:51) at org.elasticsearch.common.io.stream.BytesStreamOutput.(BytesStreamOutput.java:55) at org.elasticsearch.common.io.stream.BytesStreamOutput.(BytesStreamOutput.java:45) at org.elasticsearch.common.xcontent.XContentBuilder.builder(XContentBuilder.java:77) at org.elasticsearch.common.xcontent.json.JsonXContent.contentBuilder(JsonXContent.java:40) at org.elasticsearch.common.xcontent.XContentFactory.contentBuilder(XContentFactory.java:122) at org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder(XContentFactory.java:49) When i de-compile lucene-core-4.10.4.jar, i do see the field JRE_IS_64BIT though. Is it possible that an out of version JAR is packaged up inside ES 1.7.1? kvramana commented Aug 22, 2015 Closing it, i figured that an older version of lucene-core.jar got ahead into classpath, removed it and it's working as it should. kvramana closed this Aug 22, 2015 Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment Contact GitHub API Training Shop
some non-determinism in the behavior of SQS). However a colleague of mine decided to use the same bit of code and her machine would throw up this error: Exception in thread "main" java.lang.NoSuchFieldError: INSTANCE at com.amazonaws.http.conn.SdkConnectionKeepAliveStrategy.getKeepAliveDuration(SdkConnectionKeepAliveStrategy.java:48) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:533) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805) at com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:819) at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:574) at com.amazonaws.http.AmazonHttpClient.doExecute(AmazonHttpClient.java:362) at com.amazonaws.http.AmazonHttpClient.executeWithTimer(AmazonHttpClient.java:328) at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:307) at com.amazonaws.services.sqs.AmazonSQSClient.invoke(AmazonSQSClient.java:2419) at com.amazonaws.services.sqs.AmazonSQSClient.listQueues(AmazonSQSClient.java:1179) at com.amazonaws.services.sqs.AmazonSQSClient.listQueues(AmazonSQSClient.java:2131) ... It was happening in a bit of code that I had no control over. I didn’t even know exactly what this issue was. I searched for it and there wasn’t anything that matched SQS with this exception. I finally realized that this was a problem with the version of Apache HTTP Client that was on my colleague’s machine. She had a dependency on v4.2 of the Apache HTTP Client in her code, while the Amazon AWS SDK used v4.3.6, which I found using a mvn dependency:tree command: $ mvn dependency:tree [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building CommonAlerts 1.0.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ common-alerts --- [INFO] com.caffinc:common-alerts:jar:1.0.0-SNAPSHOT [INFO] +- com.amazonaws:aws-java-sdk:jar:1.10.37:compile [INFO] | +- com.amazonaws:aws-java-sdk-support