Hi,
I posted a question with regards to Phoenix and Spark Streaming on
StackOverflow [1]. Please find a copy of the question to this email below the
first stack trace. I also already contacted the Phoenix mailing list and tried
the suggestion of setting spark.driver.userClassPathFirst. Unfortunately that
only pushed me further into the dependency hell, which I tried to resolve
until I hit a wall with an UnsatisfiedLinkError on Snappy.
What I am trying to achieve: To save a stream from Kafka into Phoenix/Hbase
via Spark Streaming. I'm using MapR as a platform and the original exception
happens both on a 3-node cluster, as on the MapR Sandbox (a VM for
experimentation), in YARN and stand-alone mode. Further experimentation (like
the saveAsNewHadoopApiFile below), was done only on the sandbox in standalone
mode.
Phoenix only supports Spark from 4.4.0 onwards, but I thought I could
use a naive implementation that creates a new connection for
every RDD from the DStream in 4.3.1. This resulted in the
ClassNotFoundException described in [1], so I switched to 4.4.0.
Unfortunately the saveToPhoenix method is only available in Scala. So I did
find the suggestion to try it via the saveAsNewHadoopApiFile method [2] and an
example implementation [3], which I adapted to my own needs.
However, 4.4.0 + saveAsNewHadoopApiFile raises the same
ClassNotFoundExeption, just a slightly different stacktrace:
java.lang.RuntimeException: java.sql.SQLException: ERROR 103
(08004): Unable to establish connection.
at
org.apache.phoenix.mapreduce.PhoenixOutputFormat.getRecordWriter(PhoenixOutputFormat.java:58)
at
org.apache.spark.rdd.PairRDDFunctions$$anonfun$12.apply(PairRDDFunctions.scala:995)
at
org.apache.spark.rdd.PairRDDFunctions$$anonfun$12.apply(PairRDDFunctions.scala:979)
at
org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
at org.apache.spark.scheduler.Task.run(Task.scala:64)
at
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: ERROR 103 (08004): Unable to
establish connection.
at
org.apache.phoenix.exception.SQLExceptionCode$Factory$1.newException(SQLExceptionCode.java:386)
at
org.apache.phoenix.exception.SQLExceptionInfo.buildException(SQLExceptionInfo.java:145)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.openConnection(ConnectionQueryServicesImpl.java:288)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.access$300(ConnectionQueryServicesImpl.java:171)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl$12.call(ConnectionQueryServicesImpl.java:1881)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl$12.call(ConnectionQueryServicesImpl.java:1860)
at
org.apache.phoenix.util.PhoenixContextExecutor.call(PhoenixContextExecutor.java:77)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.init(ConnectionQueryServicesImpl.java:1860)
at
org.apache.phoenix.jdbc.PhoenixDriver.getConnectionQueryServices(PhoenixDriver.java:162)
at
org.apache.phoenix.jdbc.PhoenixEmbeddedDriver.connect(PhoenixEmbeddedDriver.java:131)
at
org.apache.phoenix.jdbc.PhoenixDriver.connect(PhoenixDriver.java:133)
at
java.sql.DriverManager.getConnection(DriverManager.java:571)
at
java.sql.DriverManager.getConnection(DriverManager.java:187)
at
org.apache.phoenix.mapreduce.util.ConnectionUtil.getConnection(ConnectionUtil.java:92)
at
org.apache.phoenix.mapreduce.util.ConnectionUtil.getOutputConnection(ConnectionUtil.java:80)
at
org.apache.phoenix.mapreduce.util.ConnectionUtil.getOutputConnection(ConnectionUtil.java:68)
at
org.apache.phoenix.mapreduce.PhoenixRecordWriter.<init>(PhoenixRecordWriter.java:49)
at
org.apache.phoenix.mapreduce.PhoenixOutputFormat.getRecordWriter(PhoenixOutputFormat.java:55)
... 8 more
Caused by: java.io.IOException:
java.lang.reflect.InvocationTargetException
at
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:457)
at
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:350)
at
org.apache.phoenix.query.HConnectionFactory$HConnectionFactoryImpl.createConnection(HConnectionFactory.java:47)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.openConnection(ConnectionQueryServicesImpl.java:286)
... 23 more
Caused by: java.lang.reflect.InvocationTargetException
at
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at
java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:455)
... 26 more
Caused by: java.lang.UnsupportedOperationException: Unable to find
org.apache.hadoop.hbase.ipc.controller.ClientRpcControllerFactory
at
org.apache.hadoop.hbase.util.ReflectionUtils.instantiateWithCustomCtor(ReflectionUtils.java:36)
at
org.apache.hadoop.hbase.ipc.RpcControllerFactory.instantiate(RpcControllerFactory.java:56)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:769)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:689)
... 31 more
Caused by: java.lang.ClassNotFoundException:
org.apache.hadoop.hbase.ipc.controller.ClientRpcControllerFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:191)
at
org.apache.hadoop.hbase.util.ReflectionUtils.instantiateWithCustomCtor(ReflectionUtils.java:32)
... 34 more
Driver stacktrace:
at
org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1204)
at
org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1193)
at
org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1192)
at
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at
scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
at
org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1192)
at
org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:693)
at
org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:693)
at scala.Option.foreach(Option.scala:236)
at
org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:693)
at
org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1393)
at
org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1354)
at
org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
====== Below is my question from StackOverflow ==========
I'm trying to connect to Phoenix via Spark and I keep getting the
following exception when opening a connection via the JDBC driver (cut
for brevity, full stacktrace below):
Caused by: java.lang.ClassNotFoundException:
org.apache.hadoop.hbase.ipc.controller.ClientRpcControllerFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
The class in question is provided by the jar called phoenix-
core-4.3.1.jar (despite it being in the HBase package namespace, I
guess they need it to integrate with HBase).
There are numerous questions on SO about ClassNotFoundExceptions
on Spark and I've tried the fat-jar approach (both with Maven's
assembly and shade plugins; I've inspected the jars, they **do**
contain ClientRpcControllerFactory), and I've tried a lean jar while
specifying the jars on the command line. For the latter, the command
I used is as follows:
/opt/mapr/spark/spark-1.3.1/bin/spark-submit --jars lib/spark-
streaming-
kafka_10-1.3.1.jar,lib/kafka_2.10-0.8.1.1.jar,lib/zkclient-0.3.jar,lib/metrics-
core-3.1.0.jar,lib/metrics-core-2.2.0.jar,lib/phoenix-core-4.3.1.jar --
class nl.work.kafkastreamconsumer.phoenix.KafkaPhoenixConnector
KafkaStreamConsumer.jar node1:5181 0 topic
jdbc:phoenix:node1:5181 true
I've also done a classpath dump from within the code and the first
classloader in the hierarchy already knows the Phoenix jar:
2015-06-04 10:52:34,323 [Executor task launch worker-1] INFO
nl.work.kafkastreamconsumer.phoenix.LinePersister -
[file:/home/work/projects/customer/KafkaStreamConsumer.jar,
file:/home/work/projects/customer/lib/spark-streaming-
kafka_2.10-1.3.1.jar,
file:/home/work/projects/customer/lib/kafka_2.10-0.8.1.1.jar,
file:/home/work/projects/customer/lib/zkclient-0.3.jar,
file:/home/work/projects/customer/lib/metrics-core-3.1.0.jar,
file:/home/work/projects/customer/lib/metrics-core-2.2.0.jar,
file:/home/work/projects/customer/lib/phoenix-core-4.3.1.jar]
So the question is: What am I missing here? Why can't Spark load the
correct class? There should be only one version of the class flying
around (namely the one from phoenix-core), so I doubt it's a
versioning conflict.
[Executor task launch worker-3] ERROR
nl.work.kafkastreamconsumer.phoenix.LinePersister - Error while
processing line
java.lang.RuntimeException: java.sql.SQLException: ERROR 103
(08004): Unable to establish connection.
at
nl.work.kafkastreamconsumer.phoenix.PhoenixConnection.<init>(PhoenixConnection.java:41)
at
nl.work.kafkastreamconsumer.phoenix.LinePersister$1.call(LinePersister.java:40)
at
nl.work.kafkastreamconsumer.phoenix.LinePersister$1.call(LinePersister.java:32)
at
org.apache.spark.api.java.JavaPairRDD$$anonfun$toScalaFunction$1.apply(JavaPairRDD.scala:999)
at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at scala.collection.generic.Growable$class.
$plus$plus$eq(Growable.scala:48)
at scala.collection.mutable.ArrayBuffer.
$plus$plus$eq(ArrayBuffer.scala:103)
at scala.collection.mutable.ArrayBuffer.
$plus$plus$eq(ArrayBuffer.scala:47)
at
scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
at scala.collection.AbstractIterator.to(Iterator.scala:1157)
at
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
at
scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
at
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
at
org.apache.spark.rdd.RDD$$anonfun$17.apply(RDD.scala:813)
at
org.apache.spark.rdd.RDD$$anonfun$17.apply(RDD.scala:813)
at
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1498)
at
org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1498)
at
org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
at org.apache.spark.scheduler.Task.run(Task.scala:64)
at
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: ERROR 103 (08004): Unable to
establish connection.
at
org.apache.phoenix.exception.SQLExceptionCode$Factory$1.newException(SQLExceptionCode.java:362)
at
org.apache.phoenix.exception.SQLExceptionInfo.buildException(SQLExceptionInfo.java:133)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.openConnection(ConnectionQueryServicesImpl.java:282)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.access$300(ConnectionQueryServicesImpl.java:166)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl$11.call(ConnectionQueryServicesImpl.java:1831)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl$11.call(ConnectionQueryServicesImpl.java:1810)
at
org.apache.phoenix.util.PhoenixContextExecutor.call(PhoenixContextExecutor.java:77)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.init(ConnectionQueryServicesImpl.java:1810)
at
org.apache.phoenix.jdbc.PhoenixDriver.getConnectionQueryServices(PhoenixDriver.java:162)
at
org.apache.phoenix.jdbc.PhoenixEmbeddedDriver.connect(PhoenixEmbeddedDriver.java:126)
at
org.apache.phoenix.jdbc.PhoenixDriver.connect(PhoenixDriver.java:133)
at
java.sql.DriverManager.getConnection(DriverManager.java:571)
at
java.sql.DriverManager.getConnection(DriverManager.java:233)
at
nl.work.kafkastreamconsumer.phoenix.PhoenixConnection.<init>(PhoenixConnection.java:39)
... 25 more
Caused by: java.io.IOException:
java.lang.reflect.InvocationTargetException
at
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:457)
at
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:350)
at
org.apache.phoenix.query.HConnectionFactory$HConnectionFactoryImpl.createConnection(HConnectionFactory.java:47)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.openConnection(ConnectionQueryServicesImpl.java:280)
... 36 more
Caused by: java.lang.reflect.InvocationTargetException
at
sun.reflect.GeneratedConstructorAccessor8.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at
java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:455)
... 39 more
Caused by: java.lang.UnsupportedOperationException: Unable to
find
org.apache.hadoop.hbase.ipc.controller.ClientRpcControllerFactory
at
org.apache.hadoop.hbase.util.ReflectionUtils.instantiateWithCustomCtor(ReflectionUtils.java:36)
at
org.apache.hadoop.hbase.ipc.RpcControllerFactory.instantiate(RpcControllerFactory.java:56)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:769)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:689)
... 43 more
Caused by: java.lang.ClassNotFoundException:
org.apache.hadoop.hbase.ipc.controller.ClientRpcControllerFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at
java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:191)
at
org.apache.hadoop.hbase.util.ReflectionUtils.instantiateWithCustomCtor(ReflectionUtils.java:32)
... 46 more
**/edit**
Unfortunately the issue remains with 4.4.0-HBase-0.98. Below are the
classes in question. Since the saveToPhoenix() method is not yet
available for the Java API and since this is just a POC, my idea was to
simply use the JDBC driver for each mini-batch.
public class PhoenixConnection implements AutoCloseable,
Serializable {
private static final long serialVersionUID =
-4491057264383873689L;
private static final String PHOENIX_DRIVER =
"org.apache.phoenix.jdbc.PhoenixDriver";
static {
try {
Class.forName(PHOENIX_DRIVER);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
private Connection connection;
public PhoenixConnection(final String jdbcUri) {
try {
connection = DriverManager.getConnection(jdbcUri);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
public List<Map<String, Object>> executeQuery(final String sql)
throws SQLException {
ArrayList<Map<String, Object>> resultList = new
ArrayList<>();
try (PreparedStatement statement =
connection.prepareStatement(sql); ResultSet resultSet =
statement.executeQuery() ) {
ResultSetMetaData metaData =
resultSet.getMetaData();
while (resultSet.next()) {
Map<String, Object> row = new
HashMap<>(metaData.getColumnCount());
for (int column = 0; column <
metaData.getColumnCount(); ++column) {
final String columnLabel =
metaData.getColumnLabel(column);
row.put(columnLabel,
resultSet.getObject(columnLabel));
}
}
}
resultList.trimToSize();
return resultList;
}
@Override
public void close() {
try {
connection.close();
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
}
public class LinePersister implements Function<JavaRDD<String>,
Void> {
private static final long serialVersionUID =
-2529724617108874989L;
private static final Logger LOGGER =
Logger.getLogger(LinePersister.class);
private static final String TABLE_NAME = "mail_events";
private final String jdbcUrl;
public LinePersister(String jdbcUrl) {
this.jdbcUrl = jdbcUrl;
}
@Override
public Void call(JavaRDD<String> dataSet) throws Exception {
LOGGER.info(String.format(
"Starting conversion on rdd with %d elements",
dataSet.count()));
List<Void> collectResult = dataSet.map(new
Function<String, Void>() {
private static final long serialVersionUID =
-6651313541439109868L;
@Override
public Void call(String line) throws Exception {
LOGGER.info("Writing line " + line);
Event event = EventParser.parseLine(line);
try (PhoenixConnection connection = new
PhoenixConnection(
jdbcUrl)) {
connection.executeQuery(event
.createUpsertStatement(TABLE_NAME));
} catch (Exception e) {
LOGGER.error("Error while processing
line",
e);
dumpClasspath(this.getClass().getClassLoader());
}
return null;
}
}).collect();
LOGGER.info(String.format("Got %d results: ",
collectResult.size()));
return null;
}
public static void dumpClasspath(ClassLoader loader)
{
LOGGER.info("Classloader " + loader + ":");
if (loader instanceof URLClassLoader)
{
URLClassLoader ucl = (URLClassLoader)loader;
LOGGER.info(Arrays.toString(ucl.getURLs()));
}
else
LOGGER.error("cannot display components as not a
URLClassLoader)");
if (loader.getParent() != null)
dumpClasspath(loader.getParent());
}
}
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>nl.work</groupId>
<artifactId>KafkaStreamConsumer</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<spark.version>1.3.1</spark.version>
<hibernate.version>4.3.10.Final</hibernate.version>
<phoenix.version>4.4.0-HBase-0.98</phoenix.version>
<hbase.version>0.98.9-hadoop2</hbase.version>
<spark-hbase.version>0.0.2-clabs-spark-1.3.1</spark-
hbase.version>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_2.10</artifactId>
<version>${spark.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-streaming_2.10</artifactId>
<version>${spark.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kafka_2.10</artifactId>
<version>${spark.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.phoenix</groupId>
<artifactId>phoenix-core</artifactId>
<version>${phoenix.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.phoenix</groupId>
<artifactId>phoenix-spark</artifactId>
<version>${phoenix.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.hbase</groupId>
<artifactId>hbase-client</artifactId>
<version>${hbase.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.cloudera</groupId>
<artifactId>spark-hbase</artifactId>
<version>${spark-hbase.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.10</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
</configuration>
</plugin>
<!-- <plugin>
<groupId>org.apache.maven.plugins</groupId> <artifactId>maven-
shade-plugin</artifactId>
<version>2.3</version> <executions>
<execution> <phase>package</phase> <goals>
<goal>shade</goal> </goals> <configuration>
<filters> <filter> <artifact>*:*</artifact>
<excludes> <exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes> </filter> </filters> </configuration>
</execution> </executions> </plugin> -->
</plugins>
</build>
<repositories>
<repository>
<id>unknown-jars-temp-repo</id>
<name>A temporary repository created by NetBeans
for libraries and jars it could not identify. Please replace the
dependencies in this repository with correct ones and delete this
repository.</name>
<url>file:${project.basedir}/lib</url>
</repository>
</repositories>
</project>
Cheers,
Jeroen
[1]
http://stackoverflow.com/questions/30639659/apache-phoenix-4-3-1-and-4-4-0-hbase-0-98-on-spark-1-3-1-classnotfoundexceptio
[2] https://groups.google.com/forum/#!topic/phoenix-hbase-user/pKnvE1pd_K8
[3] https://gist.github.com/mravi/444afe7f49821819c987#file-phoenixsparkjob-java
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