Writing error stream of new VM to file for improved debugging

OHDSI · Mar 14, 2019 · ec1d1fa · ec1d1fa
1 parent 7a9ecc9
commit ec1d1fa
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Showing 2 changed files with 7 additions and 0 deletions.
diff --git a/src/org/ohdsi/utilities/RabbitInAHatLauncher.java b/src/org/ohdsi/utilities/RabbitInAHatLauncher.java
@@ -3,6 +3,7 @@
 import org.ohdsi.rabbitInAHat.RabbitInAHatMain;
 
 import java.util.Arrays;
+import java.io.File;
 import java.util.ArrayList;
 
 /* Adapted from code found on:
@@ -25,6 +26,8 @@ public static void main(String[] args) throws Exception {
 			command.addAll(Arrays.asList("java", "-Xmx" + MIN_HEAP + "m", "-classpath", pathToJar, "org.ohdsi.rabbitInAHat.RabbitInAHatMain"));
 			command.addAll(Arrays.asList(args));
 			ProcessBuilder pb = new ProcessBuilder(command);
+			pb.inheritIO();
+			pb.redirectError(new File("ErrorStream.txt"));
 			pb.start();
 		}
 	}

diff --git a/src/org/ohdsi/utilities/WhiteRabbitLauncher.java b/src/org/ohdsi/utilities/WhiteRabbitLauncher.java
@@ -1,5 +1,7 @@
 package org.ohdsi.utilities;
 
+import java.io.File;
+
 import org.ohdsi.whiteRabbit.WhiteRabbitMain;
 
 /* Adapted from code found on:
@@ -19,6 +21,8 @@ public static void main(String[] args) throws Exception {
 			System.out.println("Starting new VM");
 			String pathToJar = WhiteRabbitMain.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath();
 			ProcessBuilder pb = new ProcessBuilder("java", "-Xmx" + MIN_HEAP + "m", "-classpath", pathToJar, "org.ohdsi.whiteRabbit.WhiteRabbitMain");
+			pb.inheritIO();
+			pb.redirectError(new File("ErrorStream.txt"));
 			pb.start();
 		}
 	}