Customer Name Cannot Be Resolved To A Variable? Jan 18, 2015. Here is my current code. The CustomerName in the System.out.print statement doesn't compile - it says that CustomerName can not be resolved to a variable. GeneratorSwapFixedONMaster cannot be resolved I know that this import is located in the og-analytics src/test/java location, which I believe is not listed anywhere in the build path. I believe the problem is with a build path options and specially with classes like GeneratorSwapFixedONMaster which were created specially for tests.

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I'm trying to work with Hibernate in Eclipse.I'm creating a new simple project and I've downloaded a collegue project too, via CVS.Both don't work, while on my collegue's Eclipse do.The problem is that, for each import of an Hibernate class, Eclipse says:

But all Hibernate jars are in the build path, that is:

bluishbluish

30 Answers

Try cleaning your project by going to the following menu item:

If that doesn't work, try removing the jars from the build path and adding them again.

dogbanedogbane

Clean the project. And double-check the jars being really on the build path (with no errors). Also make sure there is nothing in the 'Problems' view.

BozhoBozho

Obviously there are cases where there is a valid issue however Eclipse throws this error for no good reason sometimes.

This still (2019-03) is an old (2010) Eclipse bug that can be resolved by making a negligible change to the project settings.

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The setting I chose to change was: Project > Properties > Java Build Path > Order and Export > make a meaningless order change > Apply.

Changing the order back does not regress to the problem.Simply touching the file might also resolve the issue (I'll test touch next time).

I found the problem. It was the hibernate3.jar. I don't know why it was not well extracted from the .zip, maybe corrupt. A good way to check if jars are corrupt or not is navigating through their tree structure in 'Project Explorer' in Eclipse: if you can't expand a jar node probably it's corrupt. I've seen that having corrupt packages it's frequent when you drag and drop them to the 'Project Explorer'. Maybe it's better to move and copy them in the OS environment! Thankyou all.

bluishbluish

If is a Maven project, also click on Maven >>Update project.. (F5)

1. clean projectProject - > clean..
2. Right click on project - >BuildPath - >Configure BuildPath - >Libraries tab - >

Double click on JRE SYSTEM LIBRARY - >Then select alternate JRE

I had the problem, that the classpath was broken somehow.

So right click on the project in Package explorer > Plug-in tools > Update classpath.. did it for me

bluish

I solved it by removing the project (do not delete on the disk) and importing it again.

bluish

Try adding JRE System Library in the build path of your project.

With me it helped changing the compiler compliance level. For unknown reasons it was set to 1.6 and I changed it to 1.8.

Once at project level right click on project > Properties > Java Compiler, while in Eclipse click on menu Window > Preferences > Java > Compiler.

bluishAlex P.Alex P.

I resolved this issue by updating the project: right click on the Maven project, select Maven -> Update Project -> select checkbox Force Updates of Snapshots/Releases.

bluish

I had the same problem because I added a jar I created, where I had set the packaging base directory other than the base directory of the classes.As a result the class e.g. java.util.List had to be imported as util.List although the suggested import was the first one.

Check the imported jars under referenced libraries to see that they are imported correctly

kon psychkon psych

I didn't understand the reasoning behind this but this solved the same problem I was facing. You may require these steps before executing steps mentioned in above solutions (Clean all projects and Build automatically).

right click project -> Properties -> Project Facets -> select Java -> Apply

Whenever you come across this problem just go to Project > Clean, then select Clean all projects. It should get resolved, otherwise try to delete those jars and add them again. Last thing would be to try restarting Eclipse.

bluish

I tried all of the answers above but no luck. In my case, there is a generated build/classes folder with some additional '.class' files. I ended up going to the package explorer, right-clicking on the project and selecting the 'Refresh' option and that made the build/classes folder available again resolving the issue.

egallardoegallardo

This has solved my issue.

1) clean project Project -> clean..

2) Right click on project -> BuildPath -> Configure BuildPath -> Libraries tab ->Double click on JRE SYSTEM LIBRARY -> Then select alternate JRE

3) Click Save

4) Again go to your project in project explorer and right click to project -> BuildPath -> Configure BuildPath -> Libraries tab ->Double click on JRE SYSTEM LIBRARY -> This time select 'Execution Environment'

5) Apply

Nisarg

In my case it was a broken jar in the Maven repository. Delete jar files in repository and let Maven download them again.

When I ran mvn clean install from the command line, it ran fine, but Eclipse still could not compile the code. When I ran maven install in Eclipse then I saw that Maven complained about bad jar file. So I deleted it and ran maven install again. The problem was gone.

bluish

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In order to download non-existing jar file in your .m2 directory, you should run mvn clean install command for your project pom.xml. Then you should update the project dependencies by clicking Alt+F5. This works for me!

bluish

Removing the 'module-info.java' did resolve the issue for me!

This file was automatically generated and did appear in my hierarchy..

Please try and check whether all the libs are in place. I had the same issue. But I solved it by moving the lib folder and adding all the jars again in the build path.

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bluish

I got the same problem. I downloaded the jar and added it to the build path, but I didn't notice that the extension was .jar.zip. I again converted it to .jar and added to the build path.

It solved my problem. It's a very silly mistake but I wrote it here in case it could help someone.

bluishAli786Ali786

If you are working with Maven and have this problem, check the repository server (for example nexus server), if the artifact is there. Sometimes, they can change the name of the artifact and you try to get the artifact with its old name.

Resolved by linking the source. From the explorer right click on the project, select properties, select Java Build Path, select Source from tabs, press button 'LinkSource'. And specifying the folder to add to the project.

I couldn't import as well.Took me some hours to figure out, that I tried to use a 1.6 bound library/jar, while I was trying to compile for 1.8.When I switched my project also to use 1.6, the import issue has gone.All error messages were leading into wrong directions.Just in the source I found some limitations directing to 1.6 version. And: For example the .settings and .classpath (File-Search) -> org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6 can give a hint, on such issues.

I faced the same issue and I solved it by removing a jar which was added twice in two different dependencies on my pom.xml. Removing one of the dependency solved the issue.

If it's a Maven project, go to pom.xml and remove all the dependency jars. Save it. Project will automatically build.

Then add dependency jars again (you can do Ctrl+Z). Save it. Project will automatically build and you won't see that error.

bluish

I solved this problem using the JPA JAR from Maven repository, adding it on the build path of project.

bluish

For me,

Project ---> Source ---> Format

solved the problem

William KinaanWilliam Kinaan

If you're developing plugins in eclipse and you're using a target platform (which was my case) you need to make sure you check the target's platform configuration from Window->Preferences->Plug-in Development->Target Platform and make sure your target platform is checked and configured. Hope this helps.

Check If Your POM file is Updated with same Version in all Modules.

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1 Answer

Your web.xml in WEB-INF should have the data source entry like

Also, the JSP page should look something like-

Go through this link for more details.

AnnjawnAnnjawn

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