tomcat加载jar异常问题的分析与解决-创新互联

现象描述:

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项目使用springboot启动一个web项目,在启动阶段看到console中出现了异常“1.10.3-1.4.3\hdf5.jar  系统找不到指定的文件”,虽然这些异常不影响项目的正常运行,但作为一个严谨的技术人员,看到这些异常就像见到仇人一样,一定要除之而后快。

java.io.FileNotFoundException: D:\.m2\repository\org\bytedeco\javacpp-presets\hdf5-platform\1.10.3-1.4.3\hdf5.jar (系统找不到指定的文件。)
 at java.util.zip.ZipFile.open(Native Method)
 at java.util.zip.ZipFile.(ZipFile.java:225)
 at java.util.zip.ZipFile.(ZipFile.java:155)
 at java.util.jar.JarFile.(JarFile.java:166)
 at java.util.jar.JarFile.(JarFile.java:130)
 at org.apache.tomcat.util.compat.JreCompat.jarFileNewInstance(JreCompat.java:188)
 at org.apache.tomcat.util.scan.JarFileUrlJar.(JarFileUrlJar.java:65)
 at org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:49)
 at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:374)
 at org.apache.tomcat.util.scan.StandardJarScanner.processURLs(StandardJarScanner.java:309)
 at org.apache.tomcat.util.scan.StandardJarScanner.doScanClassPath(StandardJarScanner.java:266)
 at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:229)
 at org.apache.jasper.servlet.TldScanner.scanJars(TldScanner.java:262)
 at org.apache.jasper.servlet.TldScanner.scan(TldScanner.java:104)
 at org.apache.jasper.servlet.JasperInitializer.onStartup(JasperInitializer.java:101)
 at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5204)
 at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
 at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1421)
 at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1411)
 at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
 at java.util.concurrent.FutureTask.run(FutureTask.java)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)

2019-03-29 18:09:08.303 WARN 16940 --- [ost-startStop-1] o.a.tomcat.util.scan.StandardJarScanner : Failed to scan [file:/D:/.m2/repository/org/bytedeco/javacpp-presets/hdf5-platform/1.10.3-1.4.3/hdf5-linux-x86.jar] from classloader hierarchy

java.io.FileNotFoundException: D:\.m2\repository\org\bytedeco\javacpp-presets\hdf5-platform\1.10.3-1.4.3\hdf5-linux-x86.jar (系统找不到指定的文件。)
......
2019-03-29 18:09:08.578 WARN 16940 --- [ost-startStop-1] o.a.tomcat.util.scan.StandardJarScanner : Failed to scan [file:/D:/.m2/repository/org/bytedeco/javacpp-presets/hdf5-platform/1.10.3-1.4.3/hdf5-linux-x86_64.jar] from classloader hierarchy

java.io.FileNotFoundException: D:\.m2\repository\org\bytedeco\javacpp-presets\hdf5-platform\1.10.3-1.4.3\hdf5-linux-x86_64.jar (系统找不到指定的文件。)

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