diff --git a/src/main/java/org/jenkinsci/plugins/ghprb/GhprbPullRequest.java b/src/main/java/org/jenkinsci/plugins/ghprb/GhprbPullRequest.java
index dd8970da7..2da1aac8c 100644
--- a/src/main/java/org/jenkinsci/plugins/ghprb/GhprbPullRequest.java
+++ b/src/main/java/org/jenkinsci/plugins/ghprb/GhprbPullRequest.java
@@ -182,6 +182,8 @@ private void checkBlackListLabels() {
                         shouldRun = false;
                     }
                 }
+            } catch(Error e) {
+                logger.log(Level.SEVERE, "Failed to read blacklist labels", e);
             } catch(IOException e) {
                 logger.log(Level.SEVERE, "Failed to read blacklist labels", e);
             }
@@ -206,6 +208,8 @@ private void checkWhiteListLabels() {
                     logger.log(Level.INFO, "Can't find any of whitelist label.");
                     shouldRun = false;
                 }
+            } catch(Error e) {
+                logger.log(Level.SEVERE, "Failed to read whitelist labels", e);
             } catch(IOException e) {
                 logger.log(Level.SEVERE, "Failed to read whitelist labels", e);
             }
@@ -321,8 +325,9 @@ else if (comment != null) {
                     );
                 }
             }
-        }
-        catch (IOException ex) {
+        } catch (Error e) {
+            logger.log(Level.SEVERE, "Exception caught while updating the PR", e);
+        } catch (IOException ex) {
             logger.log(Level.SEVERE, "Exception caught while updating the PR", ex);
         }
     }
@@ -379,6 +384,8 @@ private GitUser getPRCommitAuthor (){
                     return commitDetails.getCommit().getCommitter();
                 }
             }
+        } catch (Error e) {
+            logger.log(Level.INFO, "Unable to get PR commits: ", e);
         } catch (Exception ex) {
             logger.log(Level.INFO, "Unable to get PR commits: ", ex);
         }
@@ -588,6 +595,8 @@ private int checkComments(GHPullRequest ghpr,
                     }
                 }
             }
+        } catch (Error e) {
+            logger.log(Level.SEVERE, "Couldn't obtain comments.", e);
         } catch (IOException e) {
             logger.log(Level.SEVERE, "Couldn't obtain comments.", e);
         }
@@ -610,6 +619,8 @@ public boolean checkMergeable() {
                 isMergeable = pr.getMergeable();
             }
             mergeable = isMergeable != null && isMergeable;
+        } catch (Error e) {
+            logger.log(Level.SEVERE, "Couldn't obtain mergeable status.", e);
         } catch (IOException e) {
             logger.log(Level.SEVERE, "Couldn't obtain mergeable status.", e);
         }
diff --git a/src/main/java/org/jenkinsci/plugins/ghprb/GhprbRootAction.java b/src/main/java/org/jenkinsci/plugins/ghprb/GhprbRootAction.java
index 06ad17ffc..383619982 100644
--- a/src/main/java/org/jenkinsci/plugins/ghprb/GhprbRootAction.java
+++ b/src/main/java/org/jenkinsci/plugins/ghprb/GhprbRootAction.java
@@ -250,13 +250,13 @@ private void triggerPr(final GhprbTrigger trigger,
             public void run() {
                 try {
                     trigger.handlePR(pr);
-                } catch (Exception e) {
+                } catch (Throwable th) {
                     StringBuilder sb = new StringBuilder();
                     sb.append("Unable to handle PR# ");
                     sb.append(pr.getNumber());
                     sb.append(" for repo: ");
                     sb.append(pr.getRepository().getFullName());
-                    logger.log(Level.SEVERE, sb.toString(), e);
+                    logger.log(Level.SEVERE, sb.toString(), th);
                 }
             }
         }.start();