SCoverage NPE

gistfile1.txt

[WARNING] [warn] [scoverage] Could not instrument [EmptyTree$/null]. No position.
[WARNING] [warn] [scoverage] Could not instrument [EmptyTree$/null]. No position.
[WARNING] [warn] [scoverage] Could not instrument [EmptyTree$/null]. No position.
[WARNING] [warn] [scoverage] Could not instrument [EmptyTree$/null]. No position.
[INFO] [scoverage]: Instrumentation completed [31268 statements]
[INFO] [scoverage]: Written instrumentation file [/home/jay/Development/spark/core/target/scoverage.coverage.xml]
[INFO] [scoverage]: Writing measurements data to [/home/jay/Development/spark/core/target]
[ERROR] error: 
[INFO]      while compiling: /home/jay/Development/spark/core/src/main/scala/org/apache/spark/network/Connection.scala
[INFO]         during phase: icode
[INFO]      library version: version 2.10.4
[INFO]     compiler version: version 2.10.4
[INFO]   reconstructed args: -classpath /home/jay/Development/spark/core/target/scala-2.10/classes:/home/jay/.m2/repository/org/apache/hadoop/hadoop-client/2.3.0/hadoop-client-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-common/2.3.0/hadoop-common-2.3.0.jar:/home/jay/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/home/jay/.m2/repository/org/apache
/commons/commons-math3/3.1.1/commons-math3-3.1.1.jar:/home/jay/.m2/repository/xmlenc/xmlenc/0.52/xmlenc-0.52.jar:/home/jay/.m2/repository/commons-collections/commons-collections/3.2.1/commons-collections-3.2.1.jar:/home/jay/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/home/jay/.m2/repository/commons-configuration/commons-configuration/1.6/commons-configurat
ion-1.6.jar:/home/jay/.m2/repository/commons-digester/commons-digester/1.8/commons-digester-1.8.jar:/home/jay/.m2/repository/commons-beanutils/commons-beanutils/1.7.0/commons-beanutils-1.7.0.jar:/home/jay/.m2/repository/commons-beanutils/commons-beanutils-core/1.8.0/commons-beanutils-core-1.8.0.jar:/home/jay/.m2/repository/org/codehaus/jackson/jackson-core-asl/1.8.8/jackson-core
-asl-1.8.8.jar:/home/jay/.m2/repository/org/codehaus/jackson/jackson-mapper-asl/1.8.8/jackson-mapper-asl-1.8.8.jar:/home/jay/.m2/repository/org/apache/avro/avro/1.7.6/avro-1.7.6.jar:/home/jay/.m2/repository/com/google/protobuf/protobuf-java/2.4.1/protobuf-java-2.4.1.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-auth/2.3.0/hadoop-auth-2.3.0.jar:/home/jay/.m2/repository/or
g/apache/httpcomponents/httpclient/4.2.5/httpclient-4.2.5.jar:/home/jay/.m2/repository/org/apache/httpcomponents/httpcore/4.2.4/httpcore-4.2.4.jar:/home/jay/.m2/repository/org/apache/commons/commons-compress/1.4.1/commons-compress-1.4.1.jar:/home/jay/.m2/repository/org/tukaani/xz/1.0/xz-1.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-hdfs/2.3.0/hadoop-hdfs-2.3.0.jar:/h
ome/jay/.m2/repository/org/mortbay/jetty/jetty-util/6.1.26/jetty-util-6.1.26.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-app/2.3.0/hadoop-mapreduce-client-app-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-common/2.3.0/hadoop-mapreduce-client-common-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-yarn-client/2.
3.0/hadoop-yarn-client-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-yarn-server-common/2.3.0/hadoop-yarn-server-common-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-shuffle/2.3.0/hadoop-mapreduce-client-shuffle-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-yarn-api/2.3.0/hadoop-yarn-api-2.3.0.jar:/home/jay/.m2/repositor
y/org/apache/hadoop/hadoop-mapreduce-client-core/2.3.0/hadoop-mapreduce-client-core-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-yarn-common/2.3.0/hadoop-yarn-common-2.3.0.jar:/home/jay/.m2/repository/javax/xml/bind/jaxb-api/2.2.2/jaxb-api-2.2.2.jar:/home/jay/.m2/repository/javax/xml/stream/stax-api/1.0-2/stax-api-1.0-2.jar:/home/jay/.m2/repository/javax/activatio
n/activation/1.1/activation-1.1.jar:/home/jay/.m2/repository/com/sun/jersey/jersey-core/1.9/jersey-core-1.9.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-jobclient/2.3.0/hadoop-mapreduce-client-jobclient-2.3.0.jar:/home/jay/.m2/repository/org/apache/hadoop/hadoop-annotations/2.3.0/hadoop-annotations-2.3.0.jar:/home/jay/.m2/repository/commons-codec/common
s-codec/1.3/commons-codec-1.3.jar:/home/jay/.m2/repository/commons-httpclient/commons-httpclient/3.1/commons-httpclient-3.1.jar:/home/jay/.m2/repository/org/apache/curator/curator-recipes/2.4.0/curator-recipes-2.4.0.jar:/home/jay/.m2/repository/org/apache/curator/curator-framework/2.4.0/curator-framework-2.4.0.jar:/home/jay/.m2/repository/org/apache/curator/curator-client/2.4.0/
curator-client-2.4.0.jar:/home/jay/.m2/repository/org/apache/zookeeper/zookeeper/3.4.5/zookeeper-3.4.5.jar:/home/jay/.m2/repository/jline/jline/0.9.94/jline-0.9.94.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-plus/8.1.14.v20131031/jetty-plus-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/orbit/javax.transaction/1.1.1.v201105210645/javax.transaction-1.1.1
.v201105210645.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-webapp/8.1.14.v20131031/jetty-webapp-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-xml/8.1.14.v20131031/jetty-xml-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-servlet/8.1.14.v20131031/jetty-servlet-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/je
tty-jndi/8.1.14.v20131031/jetty-jndi-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/orbit/javax.mail.glassfish/1.4.1.v201005082020/javax.mail.glassfish-1.4.1.v201005082020.jar:/home/jay/.m2/repository/org/eclipse/jetty/orbit/javax.activation/1.1.0.v201105071233/javax.activation-1.1.0.v201105071233.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-security/8.1
.14.v20131031/jetty-security-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-util/8.1.14.v20131031/jetty-util-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-server/8.1.14.v20131031/jetty-server-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/orbit/javax.servlet/3.0.0.v201112011016/javax.servlet-3.0.0.v201112011016.jar:
/home/jay/.m2/repository/org/eclipse/jetty/jetty-continuation/8.1.14.v20131031/jetty-continuation-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-http/8.1.14.v20131031/jetty-http-8.1.14.v20131031.jar:/home/jay/.m2/repository/org/eclipse/jetty/jetty-io/8.1.14.v20131031/jetty-io-8.1.14.v20131031.jar:/home/jay/.m2/repository/com/google/guava/guava/14.0.1/guava
-14.0.1.jar:/home/jay/.m2/repository/org/apache/commons/commons-lang3/3.3.2/commons-lang3-3.3.2.jar:/home/jay/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/home/jay/.m2/repository/org/slf4j/slf4j-api/1.7.5/slf4j-api-1.7.5.jar:/home/jay/.m2/repository/org/slf4j/jul-to-slf4j/1.7.5/jul-to-slf4j-1.7.5.jar:/home/jay/.m2/repository/org/slf4j/jcl-over-slf4j/1.7
.5/jcl-over-slf4j-1.7.5.jar:/home/jay/.m2/repository/log4j/log4j/1.2.17/log4j-1.2.17.jar:/home/jay/.m2/repository/org/slf4j/slf4j-log4j12/1.7.5/slf4j-log4j12-1.7.5.jar:/home/jay/.m2/repository/com/ning/compress-lzf/1.0.0/compress-lzf-1.0.0.jar:/home/jay/.m2/repository/org/xerial/snappy/snappy-java/1.0.5/snappy-java-1.0.5.jar:/home/jay/.m2/repository/com/twitter/chill_2.10/0.3.6/
chill_2.10-0.3.6.jar:/home/jay/.m2/repository/com/esotericsoftware/kryo/kryo/2.21/kryo-2.21.jar:/home/jay/.m2/repository/com/esotericsoftware/reflectasm/reflectasm/1.07/reflectasm-1.07-shaded.jar:/home/jay/.m2/repository/com/esotericsoftware/minlog/minlog/1.2/minlog-1.2.jar:/home/jay/.m2/repository/com/twitter/chill-java/0.3.6/chill-java-0.3.6.jar:/home/jay/.m2/repository/common
s-net/commons-net/2.2/commons-net-2.2.jar:/home/jay/.m2/repository/org/spark-project/akka/akka-remote_2.10/2.2.3-shaded-protobuf/akka-remote_2.10-2.2.3-shaded-protobuf.jar:/home/jay/.m2/repository/org/spark-project/akka/akka-actor_2.10/2.2.3-shaded-protobuf/akka-actor_2.10-2.2.3-shaded-protobuf.jar:/home/jay/.m2/repository/com/typesafe/config/1.0.2/config-1.0.2.jar:/home/jay/.m2
/repository/io/netty/netty/3.6.6.Final/netty-3.6.6.Final.jar:/home/jay/.m2/repository/org/spark-project/protobuf/protobuf-java/2.4.1-shaded/protobuf-java-2.4.1-shaded.jar:/home/jay/.m2/repository/org/uncommons/maths/uncommons-maths/1.2.2a/uncommons-maths-1.2.2a.jar:/home/jay/.m2/repository/org/spark-project/akka/akka-slf4j_2.10/2.2.3-shaded-protobuf/akka-slf4j_2.10-2.2.3-shaded-
protobuf.jar:/home/jay/.m2/repository/org/scala-lang/scala-library/2.10.4/scala-library-2.10.4.jar:/home/jay/.m2/repository/org/json4s/json4s-jackson_2.10/3.2.6/json4s-jackson_2.10-3.2.6.jar:/home/jay/.m2/repository/org/json4s/json4s-core_2.10/3.2.6/json4s-core_2.10-3.2.6.jar:/home/jay/.m2/repository/org/json4s/json4s-ast_2.10/3.2.6/json4s-ast_2.10-3.2.6.jar:/home/jay/.m2/reposi
tory/com/thoughtworks/paranamer/paranamer/2.6/paranamer-2.6.jar:/home/jay/.m2/repository/org/scala-lang/scalap/2.10.4/scalap-2.10.4.jar:/home/jay/.m2/repository/org/scala-lang/scala-compiler/2.10.4/scala-compiler-2.10.4.jar:/home/jay/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.3.0/jackson-databind-2.3.0.jar:/home/jay/.m2/repository/com/fasterxml/jackson/core/jac
kson-annotations/2.3.0/jackson-annotations-2.3.0.jar:/home/jay/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.3.0/jackson-core-2.3.0.jar:/home/jay/.m2/repository/colt/colt/1.2.0/colt-1.2.0.jar:/home/jay/.m2/repository/concurrent/concurrent/1.3.4/concurrent-1.3.4.jar:/home/jay/.m2/repository/org/apache/mesos/mesos/0.18.1/mesos-0.18.1-shaded-protobuf.jar:/home/jay/.m2/re
pository/io/netty/netty-all/4.0.17.Final/netty-all-4.0.17.Final.jar:/home/jay/.m2/repository/com/clearspring/analytics/stream/2.5.1/stream-2.5.1.jar:/home/jay/.m2/repository/com/codahale/metrics/metrics-core/3.0.0/metrics-core-3.0.0.jar:/home/jay/.m2/repository/com/codahale/metrics/metrics-jvm/3.0.0/metrics-jvm-3.0.0.jar:/home/jay/.m2/repository/com/codahale/metrics/metrics-json
/3.0.0/metrics-json-3.0.0.jar:/home/jay/.m2/repository/com/codahale/metrics/metrics-graphite/3.0.0/metrics-graphite-3.0.0.jar:/home/jay/.m2/repository/org/tachyonproject/tachyon/0.4.1-thrift/tachyon-0.4.1-thrift.jar:/home/jay/.m2/repository/org/apache/ant/ant/1.9.0/ant-1.9.0.jar:/home/jay/.m2/repository/org/apache/ant/ant-launcher/1.9.0/ant-launcher-1.9.0.jar:/home/jay/.m2/repos
itory/commons-io/commons-io/2.4/commons-io-2.4.jar:/home/jay/.m2/repository/org/scala-lang/scala-reflect/2.10.4/scala-reflect-2.10.4.jar:/home/jay/.m2/repository/org/objenesis/objenesis/1.2/objenesis-1.2.jar:/home/jay/.m2/repository/org/spark-project/pyrolite/2.0.1/pyrolite-2.0.1.jar:/home/jay/.m2/repository/net/sf/py4j/py4j/0.8.1/py4j-0.8.1.jar:/home/jay/.m2/repository/org/scov
erage/scalac-scoverage-plugin_2.10/0.99.7/scalac-scoverage-plugin_2.10-0.99.7.jar -d /home/jay/Development/spark/core/target/scala-2.10/classes -Xplugin:/home/jay/.m2/repository/org/scoverage/scalac-scoverage-plugin_2.10/0.99.7/scalac-scoverage-plugin_2.10-0.99.7.jar -P:scoverage:dataDir:/home/jay/Development/spark/core/target
[INFO] 
[INFO]   last tree to typer: Literal(Constant(String))
[INFO]               symbol: null
[INFO]    symbol definition: null
[INFO]                  tpe: Class(classOf[java.lang.String])
[INFO]        symbol owners: 
[INFO]       context owners: package package -> package random
[INFO] 
[INFO] == Enclosing template or block ==
[INFO] 
[INFO] Template( // val <local package>: <notype> in package random, tree.tpe=org.apache.spark.util.random.package.type
[INFO]   "java.lang.Object" // parents
[INFO]   ValDef(
[INFO]     private
[INFO]     "_"
[INFO]     <tpt>
[INFO]     <empty>
[INFO]   )
[INFO]   DefDef( // def <init>(): org.apache.spark.util.random.package.type in package random
[INFO]     <method>
[INFO]     "<init>"
[INFO]     []
[INFO]     List(Nil)
[INFO]     <tpt> // tree.tpe=org.apache.spark.util.random.package.type
[INFO]     Block( // tree.tpe=Unit
[INFO]       Apply( // def <init>(): Object in class Object, tree.tpe=Object
[INFO]         `package`.super."<init>" // def <init>(): Object in class Object, tree.tpe=()Object
[INFO]         Nil
[INFO]       )
[INFO]       ()
[INFO]     )
[INFO]   )
[INFO] )
[INFO] 
[INFO] == Expanded type of tree ==
[INFO] 
[INFO] ConstantType(value = Constant(String))
[INFO] 
[INFO] uncaught exception during compilation: java.lang.NullPointerException
[ERROR] error: java.lang.NullPointerException
[INFO]  at scala.tools.nsc.backend.icode.GenICode$ICodePhase$Context.exitScope(GenICode.scala:2001)
[INFO]  at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:1067)
[INFO]  at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$6$$anonfun$apply$2.apply(GenICode.scala:418)
[INFO]  at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$6$$anonfun$apply$2.apply(GenICode.scala:416)
[INFO]  at scala.tools.nsc.backend.icode.GenICode$ICodePhase$Context$$anonfun$21.apply(GenICode.scala:2136)
[INFO]  at scala.tools.nsc.backend.icode.GenICode$ICodePhase$Context$$anonfun$21.apply(GenICode.scala:2131)

Happens to me as well same NPE with SCoverage 0.99.7.1 and 0.99.10.2, any idea?