diff --git a/bindings/java/src/net/hyperic/sigar/test/SigarTestCase.java b/bindings/java/src/net/hyperic/sigar/test/SigarTestCase.java
index 8c07e12b..d65be791 100644
--- a/bindings/java/src/net/hyperic/sigar/test/SigarTestCase.java
+++ b/bindings/java/src/net/hyperic/sigar/test/SigarTestCase.java
@@ -80,6 +80,10 @@ public abstract class SigarTestCase extends TestCase {
         return out;
     }
 
+    public long getInvalidPid() {
+        return 666666;
+    }
+
     public void traceln(String msg) {
         if (getVerbose()) {
             getWriter().println(msg);
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcArgs.java b/bindings/java/src/net/hyperic/sigar/test/TestProcArgs.java
index eaa46b77..cee57fd8 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcArgs.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcArgs.java
@@ -1,6 +1,7 @@
 package net.hyperic.sigar.test;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.SigarNotImplementedException;
 
 public class TestProcArgs extends SigarTestCase {
@@ -28,6 +29,11 @@ public class TestProcArgs extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = getSigar();
 
+        try {
+            sigar.getProcArgs(getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         try {
             String[] args = sigar.getProcArgs(sigar.getPid());
 
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcEnv.java b/bindings/java/src/net/hyperic/sigar/test/TestProcEnv.java
index 79b37e2c..74143c8d 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcEnv.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcEnv.java
@@ -4,6 +4,7 @@ import java.io.File;
 import java.util.Map;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.SigarNotImplementedException;
 
 public class TestProcEnv extends SigarTestCase {
@@ -15,6 +16,11 @@ public class TestProcEnv extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = getSigar();
 
+        try {
+            sigar.getProcEnv(getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         long pid = sigar.getPid();
 
         try {
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcExe.java b/bindings/java/src/net/hyperic/sigar/test/TestProcExe.java
index 14b41fb9..65e7ef85 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcExe.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcExe.java
@@ -3,6 +3,7 @@ package net.hyperic.sigar.test;
 import java.io.File;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.ProcExe;
 import net.hyperic.sigar.SigarNotImplementedException;
 
@@ -15,6 +16,11 @@ public class TestProcExe extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = getSigar();
 
+        try {
+            sigar.getProcExe(getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         try {
             ProcExe exe = sigar.getProcExe(sigar.getPid());
 
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcFd.java b/bindings/java/src/net/hyperic/sigar/test/TestProcFd.java
index d44008a3..1aaf5e7f 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcFd.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcFd.java
@@ -4,6 +4,7 @@ import java.io.File;
 import java.io.FileInputStream;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.SigarLoader;
 import net.hyperic.sigar.SigarNotImplementedException;
 
@@ -16,6 +17,11 @@ public class TestProcFd extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = getSigar();
 
+        try {
+            sigar.getProcFd(getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         try {
             long pid = sigar.getPid();
 
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcMem.java b/bindings/java/src/net/hyperic/sigar/test/TestProcMem.java
index 101b2c0f..7b5a20bf 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcMem.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcMem.java
@@ -1,6 +1,7 @@
 package net.hyperic.sigar.test;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.ProcMem;
 
 public class TestProcMem extends SigarTestCase {
@@ -12,6 +13,11 @@ public class TestProcMem extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = getSigar();
 
+        try {
+            sigar.getProcMem(getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         ProcMem procMem = sigar.getProcMem(sigar.getPid());
 
         assertTrue(procMem.getSize() > 0);
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcModules.java b/bindings/java/src/net/hyperic/sigar/test/TestProcModules.java
index 0b6fc763..2c690ab3 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcModules.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcModules.java
@@ -30,6 +30,11 @@ public class TestProcModules extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = getSigar();
 
+        try {
+	    printModules(sigar, getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         try {
 	    printModules(sigar, sigar.getPid());
         } catch (SigarNotImplementedException e) {
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcStat.java b/bindings/java/src/net/hyperic/sigar/test/TestProcStat.java
index 53aeb02f..7bcb3bdc 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcStat.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcStat.java
@@ -1,6 +1,7 @@
 package net.hyperic.sigar.test;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.ProcStat;
 
 public class TestProcStat extends SigarTestCase {
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcState.java b/bindings/java/src/net/hyperic/sigar/test/TestProcState.java
index 24f6d0d9..ef844183 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcState.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcState.java
@@ -1,6 +1,7 @@
 package net.hyperic.sigar.test;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.ProcState;
 
 public class TestProcState extends SigarTestCase {
@@ -12,6 +13,11 @@ public class TestProcState extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = getSigar();
 
+        try {
+            sigar.getProcState(getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         ProcState procState = sigar.getProcState(sigar.getPid());
 
         assertTrue(procState.getState() == 'R');
diff --git a/bindings/java/src/net/hyperic/sigar/test/TestProcTime.java b/bindings/java/src/net/hyperic/sigar/test/TestProcTime.java
index 937f2b47..6977ad2d 100644
--- a/bindings/java/src/net/hyperic/sigar/test/TestProcTime.java
+++ b/bindings/java/src/net/hyperic/sigar/test/TestProcTime.java
@@ -1,6 +1,7 @@
 package net.hyperic.sigar.test;
 
 import net.hyperic.sigar.Sigar;
+import net.hyperic.sigar.SigarException;
 import net.hyperic.sigar.ProcTime;
 
 public class TestProcTime extends SigarTestCase {
@@ -12,6 +13,11 @@ public class TestProcTime extends SigarTestCase {
     public void testCreate() throws Exception {
         Sigar sigar = new Sigar();
 
+        try {
+            sigar.getProcTime(getInvalidPid());
+        } catch (SigarException e) {
+        }
+
         ProcTime procTime = sigar.getProcTime(sigar.getPid());
 
         assertGtEqZeroTrace("StartTime", procTime.getStartTime());