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我们有使用 im4j 包装器编写的照片客户端程序来调用 ImageMajick 来处理照片。该设置在 Windows OS 上运行良好，但是当我们在 Mac OSX 上运行它时，我们不断收到以下异常

org.im4java.core.InfoException: org.im4java.core.CommandException: java.io.IOException: Cannot run program "identify": error=2, No such file or directory
    at org.im4java.core.Info.getBaseInfo(Info.java:201)
    at org.im4java.core.Info.<init>(Info.java:96)
    at tenw.photos.ImageTransformer.getImageInfo(ImageTransformer.java:474)
    at tenw.photos.ImageTransformer.getCenterCoordinates(ImageTransformer.java:517)
    at tenw.photos.ImageTransformer.cropCenter(ImageTransformer.java:157)
    at tenw.photos.ImageTransformerTest.testCropCenter(ImageTransformerTest.java:32)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at junit.framework.TestCase.runTest(TestCase.java:154)
    at junit.framework.TestCase.runBare(TestCase.java:127)
    at junit.framework.TestResult$1.protect(TestResult.java:106)
    at junit.framework.TestResult.runProtected(TestResult.java:124)
    at junit.framework.TestResult.run(TestResult.java:109)
    at junit.framework.TestCase.run(TestCase.java:118)
    at junit.framework.TestSuite.runTest(TestSuite.java:208)
    at junit.framework.TestSuite.run(TestSuite.java:203)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:96)
    at org.apache.maven.surefire.junit.JUnit3Provider.executeTestSet(JUnit3Provider.java:117)
    at org.apache.maven.surefire.junit.JUnit3Provider.invoke(JUnit3Provider.java:94)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
    at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
    at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)
    at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:107)
    at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:68)
Caused by: org.im4java.core.CommandException: java.io.IOException: Cannot run program "identify": error=2, No such file or directory
    at org.im4java.core.ImageCommand.run(ImageCommand.java:215)
    at org.im4java.core.Info.getBaseInfo(Info.java:189)
    ... 33 more
Caused by: java.io.IOException: Cannot run program "identify": error=2, No such file or directory
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
    at org.im4java.process.ProcessStarter.startProcess(ProcessStarter.java:407)
    at org.im4java.process.ProcessStarter.run(ProcessStarter.java:312)
    at org.im4java.core.ImageCommand.run(ImageCommand.java:211)
    ... 34 more
Caused by: java.io.IOException: error=2, No such file or directory
    at java.lang.UNIXProcess.forkAndExec(Native Method)
    at java.lang.UNIXProcess.<init>(UNIXProcess.java:53)
    at java.lang.ProcessImpl.start(ProcessImpl.java:91)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)

在 PATH 变量中可以找到命令 identify。当在 shell 上执行相同的命令时，它工作正常。非常感谢任何帮助。

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1 回答 1

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在 eclipse 的环境变量设置中让我的设置路径变量起作用。有人可以增强关于为什么 JVM 在执行命令之前无法获取路径变量的答案

于 2012-07-08T13:33:12.647 回答