diff --git a/bundles/org.openhab.core.karaf/src/main/java/org/openhab/core/karaf/internal/command/InstallServiceCommand.java b/bundles/org.openhab.core.karaf/src/main/java/org/openhab/core/karaf/internal/command/InstallServiceCommand.java
index 50531ea795..8fdf5ede67 100644
--- a/bundles/org.openhab.core.karaf/src/main/java/org/openhab/core/karaf/internal/command/InstallServiceCommand.java
+++ b/bundles/org.openhab.core.karaf/src/main/java/org/openhab/core/karaf/internal/command/InstallServiceCommand.java
@@ -18,6 +18,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.PrintStream;
@@ -240,7 +241,7 @@ public class InstallServiceCommand implements Action {
         System.out.println("  To stop the service:");
         System.out.println("    $ service " + serviceFile.getName() + " stop");
         System.out.println("");
-        System.out.println("  To uninstall the service :");
+        System.out.println("  To uninstall the service:");
         System.out.println("    $ chkconfig " + serviceFile.getName() + " --del");
         System.out.println("    $ rm /etc/init.d/" + serviceFile.getPath());
     }
@@ -269,7 +270,7 @@ public class InstallServiceCommand implements Action {
         System.out.println("  To stop the service:");
         System.out.println("    $ /etc/init.d/" + serviceFile.getName() + " stop");
         System.out.println("");
-        System.out.println("  To uninstall the service :");
+        System.out.println("  To uninstall the service:");
         System.out.println("    $ rm /etc/init.d/" + serviceFile.getName());
     }
 
@@ -401,8 +402,8 @@ public class InstallServiceCommand implements Action {
         }
         try {
             is.close();
-        } catch (Throwable t) {
-            logger.error("Error closing inputstream", t);
+        } catch (IOException e) {
+            logger.error("Error closing inputstream", e);
         }
     }
 
@@ -418,8 +419,8 @@ public class InstallServiceCommand implements Action {
         }
         try {
             os.close();
-        } catch (Throwable t) {
-            logger.error("Error closing outputstream", t);
+        } catch (IOException e) {
+            logger.error("Error closing outputstream", e);
         }
     }
 }
diff --git a/tools/static-code-analysis/pmd/suppressions.properties b/tools/static-code-analysis/pmd/suppressions.properties
index 2505806b5c..c5c4317ccd 100644
--- a/tools/static-code-analysis/pmd/suppressions.properties
+++ b/tools/static-code-analysis/pmd/suppressions.properties
@@ -14,3 +14,4 @@ org.eclipse.smarthome.ui.internal.proxy.ProxyServletService=AvoidCatchingThrowab
 org.openhab.core.automation.internal.RuleEngineImpl=AvoidCatchingThrowable
 org.openhab.core.automation.internal.RuleRegistryImpl=CompareObjectsWithEquals
 org.openhab.core.automation.internal.provider.AutomationResourceBundlesEventQueue=AvoidCatchingThrowable
+org.openhab.core.karaf.internal.command.InstallServiceCommand=SystemPrintln