0.23 has json-simple jar in the hadoop installation, so there is no problem. When you go to hadoop 2.x, you will hit the same problem as json-simple is not in 2.x hadoop installation. I actually hit the error you mentioned with 1.x while trying 2.x.
Regards, Rohini On Mon, Sep 30, 2013 at 6:09 PM, j.barrett Strausser < j.barrett.straus...@gmail.com> wrote: > I ended up just using the .23.9 hadoop release without any issue. > > > > > On Mon, Sep 30, 2013 at 8:54 PM, Rohini Palaniswamy < > rohini.adi...@gmail.com > > wrote: > > > It hits this error when json-simple-1.1.jar is not in classpath. You can > > get around that by adding it to PIG_CLASSPATH apart from registering the > > jar. The problem is with java classloading where it fails to load the > > exception class(ParseException) thrown by a constructor of the class( > > AvroStorage) from the custom classloader which includes the registered > > jars. Can you file a jira for this? I had spent some time earlier trying > to > > find solution but couldn't. If fixing classloading is not possible, easy > > thing would be to change AvroStorage constructor to throw > RunTimeException > > instead of ParseException > > > > Regards, > > Rohini > > > > > > On Thu, Sep 19, 2013 at 1:10 PM, j.barrett Strausser < > > j.barrett.straus...@gmail.com> wrote: > > > > > Not my day I guess. > > > > > > Trying with Hadoop 1.2.x > > > > > > Getting : > > > > > > > > > Caused by: java.lang.RuntimeException: could not instantiate > > > 'org.apache.pig.piggybank.storage.avro.AvroStorage' with arguments > 'null' > > > at > > > > > > org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:618) > > > > > > Caused by: java.lang.NoClassDefFoundError: > > > org/json/simple/parser/ParseException > > > at java.lang.Class.getDeclaredConstructors0(Native Method) > > > > > > > > > > > > When I attempt to load the relation using > > > > > > Load 'path' USING org.apache.pig.piggybank.storage.avro.AvroStorage(); > > > > > > I've registered : json-simple-1.1.jar > > > > > > > > > On Thu, Sep 19, 2013 at 3:14 PM, j.barrett Strausser < > > > j.barrett.straus...@gmail.com> wrote: > > > > > > > Are the releases from the download page not compatible with 23.x? or > > 2.X > > > > > > > > Says they are - > > > > > > > > > > http://pig.apache.org/releases.html#1+April%2C+2013%3A+release+0.11.1+available > > > > > > > > In any case I tried it with .23.9 and received a different error: > > > > > > > > 2013-09-19 15:13:56,044 [main] WARN > > > > org.apache.pig.backend.hadoop20.PigJobControl - falling back to > default > > > > JobControl (not using hadoop 0.20 ?) > > > > java.lang.NoSuchFieldException: runnerState > > > > at java.lang.Class.getDeclaredField(Class.java:1938) > > > > > > > > > > > > > > > > > > > > > > > > On Thu, Sep 19, 2013 at 2:24 PM, Mark Wagner < > wagner.mar...@gmail.com > > > >wrote: > > > > > > > >> It sounds like you're using a version of Pig that wasn't compiled > for > > > >> Hadoop 2.x/.23. Try recompiling with 'ant clean jar > > > >> -Dhadoopversion=23'. > > > >> > > > >> -Mark > > > >> > > > >> On Thu, Sep 19, 2013 at 9:23 AM, j.barrett Strausser > > > >> <j.barrett.straus...@gmail.com> wrote: > > > >> > Running > > > >> > > > > >> > Hadoop-2.1.0-Beta > > > >> > Pig-0.11.1 > > > >> > Hive-0.11.1 > > > >> > > > > >> > 1. Created Avro backed table in Hive. > > > >> > 2. Loaded the table in Pig - records = Load '/path' USING > > > >> > org.apache.pig.piggybank.storage.avro.AvroStorage(); > > > >> > 3. Can successfully describe the relation. > > > >> > > > > >> > I registered the following on pig start : > > > >> > REGISTER piggybank.jar > > > >> > REGISTER avro-*.jar > > > >> > REGISTER jackson-core-asl-1.8.8.jar > > > >> > REGISTER jackson-mapper-asl-1.8.8.jar > > > >> > REGISTER json-simple-1.1.jar > > > >> > REGISTER snappy-java-1.0.3.2.jar > > > >> > > > > >> > The avro tools are at 1.7.5 > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > * > > > >> > * > > > >> > *Running Dump Produces the following*: > > > >> > > > > >> > 2013-09-19 12:08:21,639 [JobControl] ERROR > > > >> > org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl - Error > while > > > >> trying > > > >> > to run jobs. > > > >> > java.lang.IncompatibleClassChangeError: Found interface > > > >> > org.apache.hadoop.mapreduce.JobContext, but class was expected > > > >> > at > > > >> > > > > >> > > > > > > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setupUdfEnvAndStores(PigOutputFormat.java:225) > > > >> > at > > > >> > > > > >> > > > > > > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:186) > > > >> > at > > > >> > > > > >> > > > > > > org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:441) > > > >> > at > > > >> > > > > >> > > > > > > org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:340) > > > >> > > > > >> > > > > >> > > > > >> > 2013-09-19 12:08:21,651 [main] ERROR > > > >> > org.apache.pig.tools.pigstats.SimplePigStats - ERROR 2997: Unable > to > > > >> > recreate exception from backend error: Unexpected System Error > > > Occured: > > > >> > java.lang.IncompatibleClassChangeError: Found interface > > > >> > org.apache.hadoop.mapreduce.JobContext, but class was expected > > > >> > at > > > >> > > > > >> > > > > > > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setupUdfEnvAndStores(PigOutputFormat.java:225) > > > >> > at > > > >> > > > > >> > > > > > > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:186) > > > >> > at > > > >> > > > > >> > > > > > > org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:441) > > > >> > at > > > >> > > > > >> > > > > > > org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:340) > > > >> > > > > >> > *Running illustrate :* > > > >> > > > > >> > Pig Stack Trace > > > >> > --------------- > > > >> > ERROR 1070: Could not resolve > > > >> > org.apache.pig.piggybank.storage.avro.AvroStorage using imports: > [, > > > >> > org.apache.pig.builtin., org.apache.pig.impl.builtin.] > > > >> > > > > >> > Pig Stack Trace > > > >> > --------------- > > > >> > ERROR 2998: Unhandled internal error. > > > >> > > > > >> > > > > > > org.apache.hadoop.mapreduce.Mapper$Context.<init>(Lorg/apache/hadoop/mapreduce/Mapper;Lorg/apache/hadoop/conf/Configuration;Lorg/apache/hadoop/mapreduce/TaskAttemptID;L$ > > > >> > > > > >> > java.lang.NoSuchMethodError: > > > >> > > > > >> > > > > > > org.apache.hadoop.mapreduce.Mapper$Context.<init>(Lorg/apache/hadoop/mapreduce/Mapper;Lorg/apache/hadoop/conf/Configuration;Lorg/apache/hadoop/mapreduce/TaskAttemptID;Lorg/apach$ > > > >> > > > > >> > > > > >> > > > > >> > Any thougths? > > > >> > > > > >> > -- > > > >> > > > > >> > > > > >> > https://github.com/bearrito > > > >> > @deepbearrito > > > >> > > > > > > > > > > > > > > > > -- > > > > > > > > > > > > https://github.com/bearrito > > > > @deepbearrito > > > > > > > > > > > > > > > > -- > > > > > > > > > https://github.com/bearrito > > > @deepbearrito > > > > > > > > > -- > > > https://github.com/bearrito > @deepbearrito >
