NumberFormatException while dealing with custom SparkExectorID

[josiahsams]

Spark Job fails with this exception, if the executor ID contains alpha numeric values as follows,

java.lang.NumberFormatException: For input string: "88173a39-278e-48c5-977a-1fffbe66be31"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Integer.parseInt(Integer.java:615)
at scala.collection.immutable.StringLike$class.toInt(StringLike.scala:272)
at scala.collection.immutable.StringOps.toInt(StringOps.scala:29)
at com.ibm.gpuenabler.GPUSparkEnv$.get(GPUSparkEnv.scala:93)
at com.ibm.gpuenabler.MAPGPUExec$$anonfun$doExecute$1.apply(CUDADSUtils.scala:80)
at com.ibm.gpuenabler.MAPGPUExec$$anonfun$doExecute$1.apply(CUDADSUtils.scala:73)