Maven Summary of project error resolution

notes : Sorting out mistakes , I don't like it for a small problem , take up space , So please Ctrl+F Check for yourself , Location problem , Willing to solve .

notes : Error resolution experience on the Internet , It's just that the author happened under certain conditions , Or it's right for you, not right for you , Don't blame , If there is no solution , Please consult others or be patient , You can record it and share it , We love to share , Let's start together !

problem 1:

-Dmaven.multiModuleProjectDirectory system propery is not set. Check $M2_HOME environment variable and mvn script match.

solve 1:

 You can set up a windows os's environment variable M2_HOME Point to your maven The installation directory 
And then in Window->Preference->Java->Installed JREs->Edit
stay Default VM arguments Set in
problem 2:
java.lang.ClassNotFoundException: org.springframework.web.util.IntrospectorCleanupListener /org.springframework.web.context.ContextLoaderListener
solve 2:

 Selected items -> Right click Properties-> choice Deployment Assemby-> choice Add-> Choose Java Build Path Entries->Next-> choice Maven Dependencies->Finish->Apply->OK


problem 3:
The import com.tsxs.common.tool.ValidateCodeImg cannot be resolved
solve 3:

Eclipse -> Project -> Clean...


problem 4:
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'shiroDBRealm' is defined
solve 4:

 <property name="realm" ref="shiroDBRealm" />
<bean id="shiroDbRealm" class="">
To configure id and ref Inconsistent case of (ctrl+f Search is case insensitive ). Letter B/b.
problem 5:
java project transformation exchange maven project:
[ERROR] Plugin org.apache.maven.plugins:maven-jar-plugin:2.4 or one of its dependencies could not be resolved: Failure to find org.apache.maven.plugins:maven-jar-plugin:jar:2.4 in http://localhost:8081/nexus/content/groups/public was cached in the local repository, resolution will not be reattempted until the update interval of nexus has elapsed or updates are forced -> [Help 1]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1]
solve 5:

 stay Convert to Maven Project When the pom.xml Next :<version>0.0.-SNAPSHOT</version> To <version>0.0.</version> after maven clean install.  
problem 6:
September 13, 2015 1:20:48 In the morning org.apache.catalina.core.StandardContext listenerStart
serious : Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from file
nested exception is 3 Bytes of UTF-8 The byte of the sequence 3 Invalid .
Caused by: 3 Bytes of UTF-8 The byte of the sequence 3 Invalid .
error file
solve 6:

 Final solution :
1 Use software "010 Editor Is a new hexadecimal file editor " Check the file header for garbled code , Delete and save ok 了 .
2 because , I , Reorganized partitions ( Dual system ), But , I rebuilt a project , Copying code used to be ok 了 .
problem 7:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.12.4 or Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin: 2.4..
solve 7:

 solve : Restart it console-nexus.bat Just fine , Or delete local maven The package corresponding to the warehouse ( Delete the root package involved )  
problem 8:
[ERROR] [Help 1]
[ERROR] [Help 2]
solve 8:

dependency Not in the dependencies Inside   
problem 9:
maven Add a new :dependency stay install When , Report errors nexus There is no corresponding jar package
solve 9:

 Mainly delete local maven Of repositories The corresponding position under the jar The path of , again install Just ok.
Or restart nexus Or it doesn't start nexus.
problem 10:
Java Project turn maven project Because there was no mistake Maven Dependencies route
solve 10:

 Right click Project :Maven->Disable Maven Nature
then , Turn again maven:
Configure->Convert to Maven Project. ok!
notes : Generally, there is no need to restart nexus The server , Unless the process port is occupied or the service is stopped , Or server shutdown or crash , Delete the local corresponding path file ,clean install Then solve !
problem 11:
Set up pom.xml after ,clean install Compile without error , Just can't load Maven Dependencies And download jar package
solve 11:
 because <dependency> stay <dependencies> in , but <dependencies> And in the <dependencyManagement> in , Delete the outermost <dependencyManagement> after ,clean install  Then solve ! Explain it differently , Remarks attachment !


problem 12:
If pom.xml in <dependency> Label error, draw a red line and report a red cross , error :Missing artifact mycoding.kaka:kaka:jar:0.0.1
stay Markers Error reported in :
Description Resource Path Location Type
Missing artifact mycoding.kaka:kaka:jar:0.0.1 pom.xml /zJavaDemo line 20 Maven Dependency Problem
This problem is solved , It's also suitable for third-party non dependence jar And local extension classes maven Unified management
solve 12:
1: If the right dependencies are provided for other technical support websites <dependency>, Then delete the local maven Of repositories The corresponding position under the jar And all the files , Again clean install Then solve !
2: Maven Custom upload third party package to 3rd party( Third party is not dependent on jar And local extension classes maven Unified management )
problem 13:
Description Resource Path Location Type
Project configuration is not up-to-date with pom.xml. Run Maven->Update Project or use Quick Fix. webproject line 1 Maven Configuration Problem
solve 13:

 Right click item  ——> Maven ——> Update Project ……, Open one (Update Maven Dependencies) The dialog , Then check the wrong item , Click on Ok  
problem 14:
Description Resource Path Location Type
Java compiler level does not match the version of the installed Java project facet. webproject Unknown Faceted Project Problem (Java Version Mismatch)
solve 14:

workspace The next part of this project is .setting Next org.eclipse.jdt.core.prefs file ( Modifications and jdk Consistent version ):
problem 15:
[ERROR] D:\DeveloperX\Code\Java\src\main\java\com\tsxs\module\utils\[3,25] error : Package javax.servlet.http non-existent
[ERROR] D:\DeveloperX\Code\Java\src\main\java\com\tsxs\module\utils\[14,41] error : No symbols found
solve 15:

 Item right click  --> properties --> Java Build Path Of libraries Guarantee only :JRE System Library[jdk1.8.0.66] and  Maven Dependencies
notes : If there is Apache Tomcat v8.0[Apache Tomcat v8.0] be ,Remove Delete it , stay pom.xml Add the following dependency to let maven Unified management !
notes : The version depends on itself jdk and tomcat edition
<!-- servlet/jsp -->

  Configuration that needs attention :

problem 15 Expand : Page none controller Dealing with jumps also requires 15 solve !
 <!-- Container default DefaultServletHandler Handle All static content and none RequestMapping To deal with the URL -->
 <mvc:default-servlet-handler />
 <!-- No need to define Controller Of url<->view Direct mapping -->
 <mvc:view-controller path="/" view-name="redirect:/index.html" />
problem 16:Description Resource Path Location Type
One or more constraints have not been satisfied. webproject line 1 Maven Java EE Configuration Problem
Tips 16: View the jdk and compiler and eclipse working space workspace The version number of each file in the next project

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