I have rdb loader and other required jars in my s3 bucket emr configurations are fine but sometimes such CNFE occurs and emr step fails…
I dont know why this happens sometimes and otherwise same job works fine. Please help…
Exception in thread "main" java.lang.NoClassDefFoundError: cats/FlatMap
at com.snowplowanalytics.snowplow.rdbloader.Main.main(Main.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
Caused by: java.lang.ClassNotFoundException: cats.FlatMap
at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
Caused by: java.io.IOException: Input/output error
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at sun.misc.Resource.getBytes(Resource.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:462)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
Hey, its rdb_loader: 0.14.0 and this jar is present in s3 bucket. Everyday I am getting some new CNFE for different things and when I restart job it runs successfully. Not getting the actual problem ?
Today I got following error:
Exception in thread "main" java.lang.NoClassDefFoundError: org/yaml/snakeyaml/representer/Representer
at org.yaml.snakeyaml.Yaml.<init>(Yaml.java:64)
at io.circe.yaml.parser.package$$anonfun$parseSingle$1.apply(package.scala:29)
at io.circe.yaml.parser.package$$anonfun$parseSingle$1.apply(package.scala:29)
at cats.syntax.EitherObjectOps$.catchNonFatal$extension(either.scala:267)
at io.circe.yaml.parser.package$.parseSingle(package.scala:29)
at io.circe.yaml.parser.package$.parse(package.scala:19)
at io.circe.yaml.parser.package$.parse(package.scala:23)
at com.snowplowanalytics.snowplow.rdbloader.config.SnowplowConfig$.parse(SnowplowConfig.scala:49)
at com.snowplowanalytics.snowplow.rdbloader.config.CliConfig$$anonfun$9.apply(CliConfig.scala:137)
at com.snowplowanalytics.snowplow.rdbloader.config.CliConfig$$anonfun$9.apply(CliConfig.scala:137)
at cats.syntax.EitherOps$.flatMap$extension(either.scala:129)
at com.snowplowanalytics.snowplow.rdbloader.config.CliConfig$.transform(CliConfig.scala:137)
at com.snowplowanalytics.snowplow.rdbloader.config.CliConfig$$anonfun$parse$1.apply(CliConfig.scala:99)
at com.snowplowanalytics.snowplow.rdbloader.config.CliConfig$$anonfun$parse$1.apply(CliConfig.scala:99)
at scala.Option.map(Option.scala:146)
at com.snowplowanalytics.snowplow.rdbloader.config.CliConfig$.parse(CliConfig.scala:99)
at com.snowplowanalytics.snowplow.rdbloader.Main$.main(Main.scala:33)
at com.snowplowanalytics.snowplow.rdbloader.Main.main(Main.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
Caused by: java.lang.ClassNotFoundException: org.yaml.snakeyaml.representer.Representer
at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 24 more
Caused by: java.io.IOException: Input/output error
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at sun.misc.Resource.getBytes(Resource.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:462)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
aws:
access_key_id:
secret_access_key:
region:
buckets:
assets: # DO NOT CHANGE unless you are hosting the jarfiles etc yourself in your own bucket
jsonpath_assets: # If you have defined your own JSON Schemas, add the s3:// path to your own JSON Path files in your own bucket here
log:
raw:
in: # Multiple in buckets are permitted
processing:
archive: # e.g. s3://my-archive-bucket/in
enriched:
good: # e.g. s3://my-out-bucket/enriched/good
bad: # e.g. s3://my-out-bucket/enriched/bad
errors: # Leave blank unless :continue_on_unexpected_error: set to true below
archive: # Where to archive enriched events to, e.g. s3://my-archive-bucket/enriched
shredded:
good: # e.g. s3://my-out-bucket/shredded/good
bad: # e.g. s3://my-out-bucket/shredded/bad
errors: # Leave blank unless :continue_on_unexpected_error: set to true below
archive: # Where to archive shredded events to, e.g. s3://my-archive-bucket/shredded
emr:
ami_version: 5.9.0 # Don't change this
region: # Always set this
jobflow_role: EMR_EC2_DefaultRole # Created using $ aws emr create-default-roles
service_role: EMR_DefaultRole # Created using $ aws emr create-default-roles
placement: # Set this if not running in VPC. Leave blank otherwise
ec2_subnet_id: # Set this if running in VPC. Leave blank otherwise
ec2_key_name:
bootstrap: [] # Set this to specify custom boostrap actions. Leave empty otherwise
software:
hbase: # Optional. To launch on cluster, provide version, "0.92.0", keep quotes. Leave empty otherwise.
lingual: # Optional. To launch on cluster, provide version, "1.1", keep quotes. Leave empty otherwise.
# Adjust your Spark cluster below
jobflow:
job_name: Snowplow ETL PROD
master_instance_type: m1.medium
core_instance_count: 1
core_instance_type: m4.xlarge
core_instance_ebs: # Optional. Attach an EBS volume to each core instance.
volume_size: 100 # Gigabytes
volume_type: "gp2"
volume_iops: 400 # Optional. Will only be used if volume_type is "io1"
ebs_optimized: false # Optional. Will default to true
task_instance_count: 0 # Increase to use spot instances
task_instance_type: m4.xlarge
task_instance_bid: 0.015 # In USD. Adjust bid, or leave blank for non-spot-priced (i.e. on-demand) task instances
bootstrap_failure_tries: 3 # Number of times to attempt the job in the event of bootstrap failures
configuration:
yarn-site:
yarn.resourcemanager.am.max-attempts: "1"
spark:
maximizeResourceAllocation: "true"
additional_info: # Optional JSON string for selecting additional features
collectors:
format: "thrift" # Or 'clj-tomcat' for the Clojure Collector, or 'thrift' for Thrift records, or 'tsv/com.amazon.aws.cloudfront/wd_access_log' for Cloudfront access logs
enrich:
versions:
spark_enrich: 1.13.0 # Version of the Hadoop Enrichment process
continue_on_unexpected_error: false # Set to 'true' (and set out_errors: above) if you don't want any exceptions thrown from ETL
output_compression: GZIP # Compression only supported with Redshift, set to NONE if you have Postgres targets. Allowed formats: NONE, GZIP
storage:
versions:
rdb_shredder: 0.13.0 # Version of the Relational Database Shredding process
rdb_loader: 0.14.0 # Version of the Relational Database Loader app
hadoop_elasticsearch: 0.1.0 # Version of the Hadoop to Elasticsearch copying process
#download:
#folder:
monitoring:
tags: # Name-value pairs describing this job
logging:
level: DEBUG # You can optionally switch to INFO for production
snowplow:
method: get
app_id: snowplow # e.g. snowplow
collector: