Hao Wang, Are you using Java 17 by chance? This error looks suspiciously like you're running with Java 17, which NiFi doesn't (yet) support.
Adam On Sat, Nov 27, 2021 at 9:36 PM Hao Wang <[email protected]> wrote: > Dear devs : > > I came across the following error (as shown in nifi-app.log) during my > usage of NiFi on Windows : > > 2021-11-28 12:20:35,059 ERROR [main] org.apache.nifi.NiFi Failure to > launch NiFi due to org.xerial.snappy.SnappyError: > [FAILED_TO_LOAD_NATIVE_LIBRARY] Unable to make protected final > java.lang.Class > java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) > throws java.lang.ClassFormatError accessible: module java.base does not > "opens java.lang" to unnamed module @19e86461 > org.xerial.snappy.SnappyError: [FAILED_TO_LOAD_NATIVE_LIBRARY] Unable to > make protected final java.lang.Class > java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) > throws java.lang.ClassFormatError accessible: module java.base does not > "opens java.lang" to unnamed module @19e86461 > at > org.xerial.snappy.SnappyLoader.injectSnappyNativeLoader(SnappyLoader.java:297) > at org.xerial.snappy.SnappyLoader.load(SnappyLoader.java:227) > at org.xerial.snappy.Snappy.<clinit>(Snappy.java:48) > at > org.apache.nifi.processors.hive.PutHiveStreaming.<clinit>(PutHiveStreaming.java:158) > at java.base/java.lang.Class.forName0(Native Method) > at java.base/java.lang.Class.forName(Class.java:467) > at > org.apache.nifi.nar.StandardExtensionDiscoveringManager.getClass(StandardExtensionDiscoveringManager.java:330) > at > org.apache.nifi.documentation.DocGenerator.documentConfigurableComponent(DocGenerator.java:100) > at > org.apache.nifi.documentation.DocGenerator.generate(DocGenerator.java:65) > at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1139) > at org.apache.nifi.NiFi.<init>(NiFi.java:170) > at org.apache.nifi.NiFi.<init>(NiFi.java:82) > at org.apache.nifi.NiFi.main(NiFi.java:331) > 2021-11-28 12:20:35,060 INFO [Thread-0] org.apache.nifi.NiFi Initiating > shutdown of Jetty web server... > 2021-11-28 12:20:35,060 INFO [Thread-0] org.apache.nifi.NiFi Jetty web > server shutdown completed (nicely or otherwise). > > Please let me know how to fix the error. > > Bravo ! > > Hao Wang >
