問題1.maven?install時出現，日志如下：

系統資源不足。
有關詳細信息，請參閱以下堆棧追蹤。

java.lang.OutOfMemoryError: Java heap spaceat com.sun.tools.javac.util.List.prepend(List.java:145)at com.sun.tools.javac.jvm.ClassReader.openArchive(ClassReader.java:1457)at com.sun.tools.javac.jvm.ClassReader.list(ClassReader.java:1742)at com.sun.tools.javac.jvm.ClassReader.listAll(ClassReader.java:1882)at com.sun.tools.javac.jvm.ClassReader.fillIn(ClassReader.java:1903)at com.sun.tools.javac.jvm.ClassReader.complete(ClassReader.java:1538)at com.sun.tools.javac.code.Symbol.complete(Symbol.java:355)at com.sun.tools.javac.comp.Enter.visitTopLevel(Enter.java:256)at com.sun.tools.javac.tree.Tree$TopLevel.accept(Tree.java:382)at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:221)at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:235)at com.sun.tools.javac.comp.Enter.complete(Enter.java:444)at com.sun.tools.javac.comp.Enter.main(Enter.java:429)at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:404)at com.sun.tools.javac.main.Main.compile(Main.java:592)at com.sun.tools.javac.main.Main.compile(Main.java:544)at com.sun.tools.javac.Main.compile(Main.java:92)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jaat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessoat java.lang.reflect.Method.invoke(Method.java:592)at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess(Javacat org.codehaus.plexus.compiler.javac.JavacCompiler.compile(JavacCompiler.at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMoat org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:114)at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginMat org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defaulat org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifeat org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defaultat org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandlat org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmentsat org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifeat org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMoat org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:114)at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginMat org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defaul... 17 more [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2 minutes 34 seconds [INFO] Finished at: Wed Jul 20 17:22:53 CST 2011 [INFO] Final Memory: 60M/63M [INFO] ------------------------------------------------------------------------

　　

原因分析：虛擬機堆溢出，默認只有63M，工程比較多時容易出現此問題

解決方案：在maven啟動腳本（mvn.bat）中，重新設置堆大小（set?MAVEN_OPTS=?-Xms128m?-Xmx512m）

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問題2：maven?install時出現此問題，日志如下：

[INFO] Trace org.apache.maven.BuildFailureException: Compilation failureat org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa ultLifecycleExecutor.java:699)at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi fecycle(DefaultLifecycleExecutor.java:540)at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau ltLifecycleExecutor.java:519)at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan dleFailures(DefaultLifecycleExecutor.java:371)at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen ts(DefaultLifecycleExecutor.java:332)at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi fecycleExecutor.java:181)at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356)at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)at org.apache.maven.cli.MavenCli.main(MavenCli.java:356)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:597)at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.plugin.CompilationFailureException: Compilation fail ureat org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompiler Mojo.java:516)at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:114)at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi nManager.java:483)at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa ultLifecycleExecutor.java:678)

　　

原因分析：編譯不通過，檢查JDK版本

解決方案：使用正確的JDK版本，和開發時的一致

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總結

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