java - Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2 -

java - Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2 -

i know due fact 1 or more jar files corrupted in ~/.m2/ repository cant figure out jar file(s) has been corrupted or jars, required delete , re-download.

[error] failed execute goal org.apache.maven.plugins:maven-compiler- plugin:2.3.2:compile (default-compile) on project crudwebappmavenized: execution default-compile of goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile failed: api incompatibility encountered while executing org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile: java.lang.unsupportedclassversionerror: com/sun/tools/javac/main : unsupported major.minor version 52.0 [error] ----------------------------------------------------- [error] realm = plugin>org.apache.maven.plugins:maven-compiler-plugin:2.3.2 [error] strategy = org.codehaus.plexus.classworlds.strategy.selffirststrategy [error] urls[0] = file:/c:/users/hp/.m2/repository/org/apache/maven/plugins/maven- compiler-plugin/2.3.2/maven-compiler-plugin-2.3.2.jar [error] urls[1] = file:/c:/users/hp/.m2/repository/org/codehaus/plexus/plexus-utils/2.0.5/plexus-utils-2.0.5.jar [error] urls[2] = file:/c:/users/hp/.m2/repository/org/codehaus/plexus/plexus-compiler-api/1.8.1/plexus-compiler-api-1.8.1.jar [error] urls[3] = file:/c:/users/hp/.m2/repository/org/codehaus/plexus/plexus-compiler- manager/1.8.1/plexus-compiler-manager-1.8.1.jar [error] urls[4] = file:/c:/users/hp/.m2/repository/org/codehaus/plexus/plexus-compiler-javac/1.8.1/plexus-compiler-javac-1.8.1.jar [error] number of foreign imports: 1 [error] import: entry[import realm classrealm[maven.api, parent: null]]

java maven