Something to try: 1. Run ‘hadoop checknative’ to see if anything wrong;
2. Find the Hadoop native DLL and using some tool inspect its symbols, see if there is the required function related to crc32. This is a rather old function I’m not sure it was changed around the version. Regards, Kai From: karthi keyan [mailto:karthi93.san...@gmail.com] Sent: Tuesday, March 29, 2016 3:16 PM To: Brahma Reddy Battula <brahmareddy.batt...@huawei.com> Cc: user@hadoop.apache.org Subject: Re: UnstaisfiedLinkError - Windows Environment Yes, built with right libraries. In my case i have to connect with remote cluster which accommodate Hadoop (built for 64 bit windows and Hadoop 2.5.2). On Tue, Mar 29, 2016 at 12:34 PM, Brahma Reddy Battula <brahmareddy.batt...@huawei.com<mailto:brahmareddy.batt...@huawei.com>> wrote: Are you using the right libraries ( built for 64-bit windows and Hadoop 2.6.2) ? From: karthi keyan [mailto:karthi93.san...@gmail.com<mailto:karthi93.san...@gmail.com>] Sent: 29 March 2016 14:51 To: Brahma Reddy Battula Cc: user@hadoop.apache.org<mailto:user@hadoop.apache.org> Subject: Re: UnstaisfiedLinkError - Windows Environment Hi Brahma, I have added those libraries to the bin path. Every time when i communicate with other cluster(hadoop) am facing this issue. Is there any Backward compatibility ?? or some thing else ? On Tue, Mar 29, 2016 at 12:09 PM, Brahma Reddy Battula <brahmareddy.batt...@huawei.com<mailto:brahmareddy.batt...@huawei.com>> wrote: Hadoop Cluster installed in Windows or only client is in Windows? Whether Hadoop distribution contains windows library files and <HADOOP_HOME>/bin is added to PATH ? From: karthi keyan [mailto:karthi93.san...@gmail.com<mailto:karthi93.san...@gmail.com>] Sent: 29 March 2016 14:29 To: user@hadoop.apache.org<mailto:user@hadoop.apache.org> Subject: UnstaisfiedLinkError - Windows Environment Hi, Frequently am facing this issue while reading the Data from HDFS, Every time i have replaced (rebuid) the jars. Does any one suggest me the right way to resolve this issue? or can any one tell me the root cause for this error ? JDK > 1.7 System env - win 64 bit Caused by: java.lang.UnsatisfiedLinkError: org.apache.hadoop.util.NativeCrc32.nativeComputeChunkedSums(IILjava/nio/ByteBuffer;ILjava/nio/ByteBuffer;IILjava/lang/String;JZ)V at org.apache.hadoop.util.NativeCrc32.nativeComputeChunkedSums(Native Method) ~[hadoop-common-2.6.2.jar:na] at org.apache.hadoop.util.NativeCrc32.verifyChunkedSums(NativeCrc32.java:59) ~[hadoop-common-2.6.2.jar:na] at org.apache.hadoop.util.DataChecksum.verifyChunkedSums(DataChecksum.java:301) ~[hadoop-common-2.6.2.jar:na] at org.apache.hadoop.hdfs.RemoteBlockReader2.readNextPacket(RemoteBlockReader2.java:216) ~[hadoop-hdfs-2.6.2.jar:na] at org.apache.hadoop.hdfs.RemoteBlockReader2.read(RemoteBlockReader2.java:146) ~[hadoop-hdfs-2.6.2.jar:na] at org.apache.hadoop.hdfs.DFSInputStream$ByteArrayStrategy.doRead(DFSInputStream.java:693) ~[hadoop-hdfs-2.6.2.jar:na] at org.apache.hadoop.hdfs.DFSInputStream.readBuffer(DFSInputStream.java:749) ~[hadoop-hdfs-2.6.2.jar:na] at org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:807) ~[hadoop-hdfs-2.6.2.jar:na] at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:848) ~[hadoop-hdfs-2.6.2.jar:na] at java.io.DataInputStream.read(DataInputStream.java:100) ~[na:1.7.0] Regards, Karthikeyan S
