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https://issues.apache.org/jira/browse/HBASE-17989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15995278#comment-15995278
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Mike Drob commented on HBASE-17989:
-----------------------------------
I don't think this was a javadoc failure for me, I think it was a compilation
failure.
For example, {{ByteArrayComparable}} is neither imported not located in the
same package. Is there a scala version that is in the same package? The only
one I could find is in hbase-client.
> hbase-spark silent compilation failures
> ---------------------------------------
>
> Key: HBASE-17989
> URL: https://issues.apache.org/jira/browse/HBASE-17989
> Project: HBase
> Issue Type: Bug
> Components: build, spark
> Environment: Apache Maven 3.5.0
> (ff8f5e7444045639af65f6095c62210b5713f426; 2017-04-03T14:39:06-05:00)
> Maven home: /opt/apache-maven-3.5.0
> Java version: 1.8.0_131, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-8-oracle/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "3.13.0-116-generic", arch: "amd64", family: "unix"
> Reporter: Mike Drob
> Priority: Blocker
> Fix For: 2.0.0
>
>
> This is very possibly an issue with my local environment, but it seems
> strange enough that I'm not sure.
> There are tons of compilation problems in the hbase-spark module. I first
> noticed them because eclipse was complaining very loudly, but was very
> confused when {{mvn package}} seemed to succeed. In trying to investigate, I
> took a look at the generated class file and saw what looks like javac error
> output:
> {noformat}
> $ less
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/SparkSQLPushDownFilter.class
> <CA><FE><BA><BE>^@^@^@4^@R^G^@^B^A^@4org/apache/hadoop/hbase/spark/SparkSQLPushDownFilter^G^@^D^A^@)org/apache/hadoop/hbase/filter/FilterBase^A^@^Clog^A^@
>
> Lorg/apache/commons/logging/Log;^A^@^VdynamicLogicExpression^A^@^XLDynamicLogicExpression;^A^@^SvalueFromQueryArray^A^@^C[[B^A^@ESCcurrentCellToColumnIndexMap^A^@^SLjava/util/HashMap;^A^@
>
> Signature^A^@fLjava/util/HashMap<LByteArrayComparable;Ljava/util/HashMap<LByteArrayComparable;Ljava/lang/String;>;>;^A^@^ZcolumnToCurrentRowValueMap^A^@<Ljava/util/HashMap<Ljava/lang/String;LByteArrayComparable;>;^A^@^LrowKeyFamily^A^@^B[B^A^@^OrowKeyQualifier^A^@^PencoderClassName^A^@^RLjava/lang/String;^A^@^F<init>^A^@C(LDynamicLogicExpression;[[BLjava/util/HashMap;Ljava/lang/String;)V^A^@<96>(LDynamicLogicExpression;[[BLjava/util/HashMap<LByteArrayComparable;Ljava/util/HashMap<LByteArrayComparable;Ljava/lang/String;>;>;Ljava/lang/String;)V^A^@^DCode^G^@ESC^A^@^Ojava/lang/Erro^@^]^A^M"Unresolved
> compilation problems:
> The import org.apache.hadoop.hbase.spark.datasources.BytesEncoder
> cannot be resolved
> The import org.apache.hadoop.hbase.spark.datasources.JavaBytesEncoder
> cannot be resolved
> The import org.apache.spark.sql.datasources.hbase.Field cannot be
> resolved
> DynamicLogicExpression cannot be resolved to a type
> ByteArrayComparable cannot be resolved to a type
> ByteArrayComparable cannot be resolved to a type
> ByteArrayComparable cannot be resolved to a type
> DynamicLogicExpression cannot be resolved to a type
> <snip>
> {noformat}
> This problem is present in several classes.
> {noformat}
> $ grep -lrF 'Unresolved compilation problem' **/*.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseBulkDeleteExample.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseBulkGetExample.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseBulkLoadExample$BulkLoadFunction.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseBulkLoadExample.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseBulkPutExample.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseDistributedScan.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseMapGetPutExample.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/example/hbasecontext/JavaHBaseStreamingBulkPutExample.class
> hbase-spark/target/classes/org/apache/hadoop/hbase/spark/SparkSQLPushDownFilter.class
> hbase-spark/target/test-classes/org/apache/hadoop/hbase/spark/TestJavaHBaseContext$BulkLoadFunction.class
> hbase-spark/target/test-classes/org/apache/hadoop/hbase/spark/TestJavaHBaseContext$BulkLoadThinRowsFunction.class
> hbase-spark/target/test-classes/org/apache/hadoop/hbase/spark/TestJavaHBaseContext.class
> {noformat}
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