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Posted to commits@ignite.apache.org by mm...@apache.org on 2021/04/13 12:42:20 UTC

[ignite] branch master updated: IGNITE-14462 Add support EmptyCatchBlock for checkstyle (#9000)

This is an automated email from the ASF dual-hosted git repository.

mmuzaf pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ignite.git


The following commit(s) were added to refs/heads/master by this push:
     new 9084b83  IGNITE-14462 Add support EmptyCatchBlock for checkstyle (#9000)
9084b83 is described below

commit 9084b83833e6b9adf5844d3a32698cf181304b5c
Author: Maxim Muzafarov <mm...@apache.org>
AuthorDate: Tue Apr 13 15:42:02 2021 +0300

    IGNITE-14462 Add support EmptyCatchBlock for checkstyle (#9000)
---
 checkstyle/checkstyle.xml                                  |  5 +++++
 .../processors/cache/GatewayProtectedCacheProxy.java       |  2 +-
 .../processors/cache/GridCacheEvictionManager.java         |  2 +-
 .../dht/colocated/GridDhtColocatedLockFuture.java          |  2 +-
 .../cache/persistence/file/FileVersionCheckingFactory.java |  2 +-
 .../processors/cache/transactions/IgniteTxHandler.java     |  2 +-
 .../datastructures/AtomicDataStructureProxy.java           |  2 +-
 .../ignite/internal/processors/security/SecurityUtils.java |  2 +-
 .../org/apache/ignite/internal/sql/SqlParserUtils.java     |  2 +-
 .../java/org/apache/ignite/internal/util/GridCleaner.java  |  2 +-
 .../java/org/apache/ignite/internal/util/IgniteUtils.java  |  2 +-
 .../ignite/internal/util/nio/GridNioSessionImpl.java       |  2 +-
 .../apache/ignite/internal/util/worker/CycleThread.java    |  2 +-
 .../spi/checkpoint/sharedfs/SharedFsCheckpointSpi.java     |  2 +-
 .../core/src/test/java/org/apache/ignite/GridTestJob.java  |  2 +-
 .../CacheJdbcPojoWriteBehindStoreWithCoalescingTest.java   | 12 ++++++------
 .../cache/ClientFastReplyCoordinatorFailureTest.java       |  2 +-
 .../cache/IgniteAbstractDynamicCacheStartFailTest.java     |  6 +++---
 .../cache/SetTxTimeoutOnPartitionMapExchangeTest.java      |  2 +-
 .../datastructures/GridCacheQueueClientDisconnectTest.java |  2 +-
 .../persistence/IgnitePdsNoSpaceLeftOnDeviceTest.java      |  3 +--
 .../persistence/db/wal/crc/IgniteDataIntegrityTests.java   |  4 ++--
 .../cache/persistence/pagemem/PageMemoryImplTest.java      |  2 +-
 .../cache/persistence/tree/io/TrackingPageIOTest.java      |  2 +-
 .../processors/cache/transactions/TxOnCachesStopTest.java  |  2 +-
 .../processors/cache/transactions/TxRollbackAsyncTest.java | 14 +++++++-------
 .../cache/transactions/TxRollbackOnTopologyChangeTest.java |  2 +-
 .../security/compute/ComputePermissionCheckTest.java       |  2 +-
 ...idTcpCommunicationSpiSkipWaitHandshakeOnClientTest.java |  2 +-
 .../tcp/TcpClientDiscoverySpiFailureTimeoutSelfTest.java   |  8 ++++----
 .../tcp/TcpClientDiscoveryUnresolvedHostTest.java          |  2 +-
 .../yardstick/jdbc/NativeJavaApiPutRemoveBenchmark.java    |  2 +-
 .../yardstick/jdbc/NativeSqlInsertDeleteBenchmark.java     |  2 +-
 33 files changed, 54 insertions(+), 50 deletions(-)

diff --git a/checkstyle/checkstyle.xml b/checkstyle/checkstyle.xml
index 117b54b..3e674bd 100644
--- a/checkstyle/checkstyle.xml
+++ b/checkstyle/checkstyle.xml
@@ -36,6 +36,11 @@
         <!-- Coding Checks. See: https://checkstyle.sourceforge.io/config_coding.html -->
         <module name="SimplifyBooleanExpression"/>
 
+        <!-- Config Blocks. See: https://checkstyle.sourceforge.io/config_blocks.html -->
+        <module name="EmptyCatchBlock">
+            <property name="exceptionVariableName" value="ignore|expected"/>
+        </module>
+
         <!-- Import Checks. See: http://checkstyle.sourceforge.net/config_imports.html -->
         <module name="RedundantImport"/>
         <module name="UnusedImports"/>
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GatewayProtectedCacheProxy.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GatewayProtectedCacheProxy.java
index 4c361d9..af34c12 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GatewayProtectedCacheProxy.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GatewayProtectedCacheProxy.java
@@ -1606,7 +1606,7 @@ public class GatewayProtectedCacheProxy<K, V> extends AsyncSupportAdapter<Ignite
 
                     return gate();
                 }
-            } catch (IgniteCheckedException ice) {
+            } catch (IgniteCheckedException ignore) {
                 // Opportunity didn't work out.
             }
         }
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheEvictionManager.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheEvictionManager.java
index 0a58e2a..b3f3650 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheEvictionManager.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheEvictionManager.java
@@ -326,7 +326,7 @@ public class GridCacheEvictionManager extends GridCacheManagerAdapter implements
                     try {
                         plc.onEntryAccessed(true, e.wrapEviction());
                     }
-                    catch (RuntimeException re) {
+                    catch (RuntimeException ignore) {
                         // It seems that this exception can be ignored due to the fact that
                         // the original exception already exists and will be reported to the logger.
                     }
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/colocated/GridDhtColocatedLockFuture.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/colocated/GridDhtColocatedLockFuture.java
index 7ba91d7..ef8bd87 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/colocated/GridDhtColocatedLockFuture.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/colocated/GridDhtColocatedLockFuture.java
@@ -598,7 +598,7 @@ public final class GridDhtColocatedLockFuture extends GridCacheCompoundIdentityF
                     try {
                         wait();
                     }
-                    catch (InterruptedException e) {
+                    catch (InterruptedException ignore) {
                         // Ignore interrupts.
                     }
             }
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/file/FileVersionCheckingFactory.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/file/FileVersionCheckingFactory.java
index 25ef715..5208ad2 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/file/FileVersionCheckingFactory.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/file/FileVersionCheckingFactory.java
@@ -129,7 +129,7 @@ public class FileVersionCheckingFactory {
 
         try {
             latestVer = Integer.parseInt(System.getProperty(LATEST_VERSION_OVERRIDE_PROPERTY));
-        } catch (NumberFormatException e) {
+        } catch (NumberFormatException ignore) {
             // No override.
         }
 
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxHandler.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxHandler.java
index cb1c33a..cc5370b 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxHandler.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxHandler.java
@@ -1471,7 +1471,7 @@ public class IgniteTxHandler {
                 tx.rollbackRemoteTx();
             }
         }
-        catch (IgniteTxHeuristicCheckedException e) {
+        catch (IgniteTxHeuristicCheckedException ignore) {
             // Already uncommitted.
         }
         catch (Throwable e) {
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/AtomicDataStructureProxy.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/AtomicDataStructureProxy.java
index 59baec0..346a553 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/AtomicDataStructureProxy.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/AtomicDataStructureProxy.java
@@ -157,7 +157,7 @@ public abstract class AtomicDataStructureProxy<V extends AtomicDataStructureValu
         try {
             checkRemoved();
         }
-        catch (Exception e) {
+        catch (Exception ignore) {
             // The original exception should be returned.
         }
 
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/security/SecurityUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/security/SecurityUtils.java
index 229cd27..10970a6 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/security/SecurityUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/security/SecurityUtils.java
@@ -271,7 +271,7 @@ public class SecurityUtils {
                     GridInternalWrapper.class.getMethod(mtd.getName(), mtd.getParameterTypes()) != null)
                     return mtd.invoke(original, args);
             }
-            catch (NoSuchMethodException e) {
+            catch (NoSuchMethodException ignore) {
                 // Ignore.
             }
 
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java
index 894aebb..38b8196 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java
@@ -114,7 +114,7 @@ public class SqlParserUtils {
 
                 // Fall through.
             }
-            catch (NumberFormatException e) {
+            catch (NumberFormatException ignore) {
                 // Fall through.
             }
         }
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/util/GridCleaner.java b/modules/core/src/main/java/org/apache/ignite/internal/util/GridCleaner.java
index be042fb..785cc55 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/util/GridCleaner.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/util/GridCleaner.java
@@ -76,7 +76,7 @@ public class GridCleaner {
             try {
                 return Class.forName(clsName, true, clsLdr);
             }
-            catch (ClassNotFoundException e) {
+            catch (ClassNotFoundException ignore) {
                 // ignored;
             }
         }
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
index 401b3ec..d72dc8f 100755
--- a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
@@ -9638,7 +9638,7 @@ public abstract class IgniteUtils {
                         "    <property name=\"workDirectory\" value=\"location\"/> in IgniteConfiguration <bean>.\n");
                 }
             }
-            catch (Exception e) {
+            catch (Exception ignore) {
                 // Ignore.
             }
 
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/util/nio/GridNioSessionImpl.java b/modules/core/src/main/java/org/apache/ignite/internal/util/nio/GridNioSessionImpl.java
index d1574b6..64e250a3 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/util/nio/GridNioSessionImpl.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/util/nio/GridNioSessionImpl.java
@@ -282,7 +282,7 @@ public class GridNioSessionImpl implements GridNioSession {
             try {
                 return meta.sslEngine().getSession().getPeerCertificates();
             }
-            catch (SSLPeerUnverifiedException e) {
+            catch (SSLPeerUnverifiedException ignore) {
                 // Nothing to do.
             }
         }
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/util/worker/CycleThread.java b/modules/core/src/main/java/org/apache/ignite/internal/util/worker/CycleThread.java
index 9621c9a..5b0462e 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/util/worker/CycleThread.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/util/worker/CycleThread.java
@@ -49,7 +49,7 @@ public abstract class CycleThread extends Thread {
                 iteration();
             }
         } catch (InterruptedException e) {
-            // No op
+            // No-op
         }
     }
 
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/checkpoint/sharedfs/SharedFsCheckpointSpi.java b/modules/core/src/main/java/org/apache/ignite/spi/checkpoint/sharedfs/SharedFsCheckpointSpi.java
index 3ede4a3..46cdd9d 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/checkpoint/sharedfs/SharedFsCheckpointSpi.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/checkpoint/sharedfs/SharedFsCheckpointSpi.java
@@ -408,7 +408,7 @@ public class SharedFsCheckpointSpi extends IgniteSpiAdapter implements Checkpoin
                         null
                     : null;
             }
-            catch (FileNotFoundException e) {
+            catch (FileNotFoundException ignore) {
                 // Ignore.
             }
             catch (IgniteCheckedException e) {
diff --git a/modules/core/src/test/java/org/apache/ignite/GridTestJob.java b/modules/core/src/test/java/org/apache/ignite/GridTestJob.java
index a30dc27..92a0ebe 100644
--- a/modules/core/src/test/java/org/apache/ignite/GridTestJob.java
+++ b/modules/core/src/test/java/org/apache/ignite/GridTestJob.java
@@ -58,7 +58,7 @@ public class GridTestJob extends ComputeJobAdapter {
         if (latch != null) {
             try {
                 latch.await();
-            } catch (InterruptedException e) {
+            } catch (InterruptedException ignore) {
                 // Nothing to do
             }
         }
diff --git a/modules/core/src/test/java/org/apache/ignite/cache/store/jdbc/CacheJdbcPojoWriteBehindStoreWithCoalescingTest.java b/modules/core/src/test/java/org/apache/ignite/cache/store/jdbc/CacheJdbcPojoWriteBehindStoreWithCoalescingTest.java
index 5455fd7..ae0ed56 100644
--- a/modules/core/src/test/java/org/apache/ignite/cache/store/jdbc/CacheJdbcPojoWriteBehindStoreWithCoalescingTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/cache/store/jdbc/CacheJdbcPojoWriteBehindStoreWithCoalescingTest.java
@@ -469,7 +469,7 @@ public class CacheJdbcPojoWriteBehindStoreWithCoalescingTest extends GridCommonA
 
                         t1Count.decrementAndGet();
                     }
-                } catch (CacheException e) {
+                } catch (CacheException ignore) {
                     //ignore
                 }
             }
@@ -491,7 +491,7 @@ public class CacheJdbcPojoWriteBehindStoreWithCoalescingTest extends GridCommonA
 
                         t2Count.decrementAndGet();
                     }
-                } catch (CacheException e) {
+                } catch (CacheException ignore) {
                     //ignore
                 }
             }
@@ -544,7 +544,7 @@ public class CacheJdbcPojoWriteBehindStoreWithCoalescingTest extends GridCommonA
 
                         t1Count.decrementAndGet();
                     }
-                } catch (CacheException e) {
+                } catch (CacheException ignore) {
                     //ignore
                 }
             }
@@ -566,7 +566,7 @@ public class CacheJdbcPojoWriteBehindStoreWithCoalescingTest extends GridCommonA
 
                         t2Count.decrementAndGet();
                     }
-                } catch (CacheException e) {
+                } catch (CacheException ignore) {
                     //ignore
                 }
             }
@@ -612,7 +612,7 @@ public class CacheJdbcPojoWriteBehindStoreWithCoalescingTest extends GridCommonA
 
                         t1Count.decrementAndGet();
                     }
-                } catch (CacheException e) {
+                } catch (CacheException ignore) {
                     //ignore
                 }
             }
@@ -634,7 +634,7 @@ public class CacheJdbcPojoWriteBehindStoreWithCoalescingTest extends GridCommonA
 
                         t2Count.decrementAndGet();
                     }
-                } catch (CacheException e) {
+                } catch (CacheException ignore) {
                     //ignore
                 }
             }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/ClientFastReplyCoordinatorFailureTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/ClientFastReplyCoordinatorFailureTest.java
index 17b93fe..2e19018 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/ClientFastReplyCoordinatorFailureTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/ClientFastReplyCoordinatorFailureTest.java
@@ -227,7 +227,7 @@ public class ClientFastReplyCoordinatorFailureTest extends GridCommonAbstractTes
                 try {
                     PART_SINGLE_REQ_MSG_LATCH.await();
                 }
-                catch (InterruptedException e) {
+                catch (InterruptedException ignore) {
                     // no-op
                 }
             }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteAbstractDynamicCacheStartFailTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteAbstractDynamicCacheStartFailTest.java
index 3623a2a..618373b 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteAbstractDynamicCacheStartFailTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteAbstractDynamicCacheStartFailTest.java
@@ -148,7 +148,7 @@ public abstract class IgniteAbstractDynamicCacheStartFailTest extends GridCacheA
 
             fail("Expected exception was not thrown.");
         }
-        catch (CacheException e) {
+        catch (CacheException ignore) {
         }
 
         stopGrid(clientName);
@@ -173,7 +173,7 @@ public abstract class IgniteAbstractDynamicCacheStartFailTest extends GridCacheA
 
             fail("Expected exception was not thrown.");
         }
-        catch (CacheException e) {
+        catch (CacheException ignore) {
         }
 
         stopGrid(clientName);
@@ -446,7 +446,7 @@ public abstract class IgniteAbstractDynamicCacheStartFailTest extends GridCacheA
 
                 fail("Expected exception was not thrown");
             }
-            catch (CacheException e) {
+            catch (CacheException ignore) {
             }
         }
     }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/SetTxTimeoutOnPartitionMapExchangeTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/SetTxTimeoutOnPartitionMapExchangeTest.java
index 664c4e22..d0d1001 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/SetTxTimeoutOnPartitionMapExchangeTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/SetTxTimeoutOnPartitionMapExchangeTest.java
@@ -245,7 +245,7 @@ public class SetTxTimeoutOnPartitionMapExchangeTest extends GridCommonAbstractTe
                 try {
                     startGrid(idx);
                 }
-                catch (Exception e) {
+                catch (Exception ignore) {
                     // no-op.
                 }
             }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheQueueClientDisconnectTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheQueueClientDisconnectTest.java
index d8131fb..66b2820 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheQueueClientDisconnectTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheQueueClientDisconnectTest.java
@@ -89,7 +89,7 @@ public class GridCacheQueueClientDisconnectTest extends GridCommonAbstractTest {
                     catch (IgniteClientDisconnectedException icd) {
                         latch.countDown();
                     }
-                    catch (Exception e) {
+                    catch (Exception ignore) {
                     }
                 }
             });
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/IgnitePdsNoSpaceLeftOnDeviceTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/IgnitePdsNoSpaceLeftOnDeviceTest.java
index 8503ab4..866cf22 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/IgnitePdsNoSpaceLeftOnDeviceTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/IgnitePdsNoSpaceLeftOnDeviceTest.java
@@ -39,7 +39,6 @@ import org.junit.Test;
  *
  */
 public class IgnitePdsNoSpaceLeftOnDeviceTest extends GridCommonAbstractTest {
-
     /** {@inheritDoc} */
     @Override protected IgniteConfiguration getConfiguration(String gridName) throws Exception {
         IgniteConfiguration cfg = super.getConfiguration(gridName);
@@ -102,7 +101,7 @@ public class IgnitePdsNoSpaceLeftOnDeviceTest extends GridCommonAbstractTest {
 
                 tx.commit();
             }
-            catch (Exception e) {
+            catch (Exception ignore) {
             }
         }
 
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/crc/IgniteDataIntegrityTests.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/crc/IgniteDataIntegrityTests.java
index 4326d14..8e9296e 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/crc/IgniteDataIntegrityTests.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/crc/IgniteDataIntegrityTests.java
@@ -106,7 +106,7 @@ public class IgniteDataIntegrityTests {
             checkIntegrity();
 
             fail();
-        } catch (IgniteDataIntegrityViolationException ex) {
+        } catch (IgniteDataIntegrityViolationException ignore) {
             //success
         }
     }
@@ -122,7 +122,7 @@ public class IgniteDataIntegrityTests {
             checkIntegrity();
 
             fail();
-        } catch (EOFException ex) {
+        } catch (EOFException ignore) {
             //success
         }
     }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/pagemem/PageMemoryImplTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/pagemem/PageMemoryImplTest.java
index 1632e73..d271fce 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/pagemem/PageMemoryImplTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/pagemem/PageMemoryImplTest.java
@@ -508,7 +508,7 @@ public class PageMemoryImplTest extends GridCommonAbstractTest {
                 }
             }).get(5_000);
         }
-        catch (IgniteFutureTimeoutCheckedException ex) {
+        catch (IgniteFutureTimeoutCheckedException ignore) {
             // Expected.
         }
         finally {
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/tree/io/TrackingPageIOTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/tree/io/TrackingPageIOTest.java
index 16450aa..c9d8dd0 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/tree/io/TrackingPageIOTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/tree/io/TrackingPageIOTest.java
@@ -340,7 +340,7 @@ public class TrackingPageIOTest {
 
                 fail();
             }
-            catch (TrackingPageIsCorruptedException e) {
+            catch (TrackingPageIsCorruptedException ignore) {
                 //ignore
             }
         }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxOnCachesStopTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxOnCachesStopTest.java
index a5fbebb..4d49814 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxOnCachesStopTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxOnCachesStopTest.java
@@ -495,7 +495,7 @@ public class TxOnCachesStopTest extends GridCommonAbstractTest {
                         if (!X.hasCause(e, TransactionRollbackException.class))
                             throw e;
                     }
-                    catch (IgniteException | IllegalStateException e) {
+                    catch (IgniteException | IllegalStateException ignore) {
                         // Failed to perform cache operation (cache is stopped).
                     }
                 }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackAsyncTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackAsyncTest.java
index ad3e7e4..fe0806a 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackAsyncTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackAsyncTest.java
@@ -249,7 +249,7 @@ public class TxRollbackAsyncTest extends GridCommonAbstractTest {
 
             fail();
         }
-        catch (Exception e) {
+        catch (Exception ignore) {
             // Expected.
         }
 
@@ -258,7 +258,7 @@ public class TxRollbackAsyncTest extends GridCommonAbstractTest {
 
             fail();
         }
-        catch (Exception e) {
+        catch (Exception ignore) {
             // Expected.
         }
 
@@ -267,7 +267,7 @@ public class TxRollbackAsyncTest extends GridCommonAbstractTest {
 
             fail();
         }
-        catch (Exception e) {
+        catch (Exception ignore) {
             // Expected.
         }
 
@@ -281,7 +281,7 @@ public class TxRollbackAsyncTest extends GridCommonAbstractTest {
 
             fail();
         }
-        catch (Exception e) {
+        catch (Exception ignore) {
             // Expected.
         }
 
@@ -290,7 +290,7 @@ public class TxRollbackAsyncTest extends GridCommonAbstractTest {
 
             fail();
         }
-        catch (Exception e) {
+        catch (Exception ignore) {
             // Expected.
         }
 
@@ -299,7 +299,7 @@ public class TxRollbackAsyncTest extends GridCommonAbstractTest {
 
             fail();
         }
-        catch (Exception e) {
+        catch (Exception ignore) {
             // Expected.
         }
 
@@ -387,7 +387,7 @@ public class TxRollbackAsyncTest extends GridCommonAbstractTest {
 
                         assertNull(o); // If rolled back by close, previous get will return null.
                     }
-                    catch (Exception e) {
+                    catch (Exception ignore) {
                         // If rolled back by rollback, previous get will throw an exception.
                     }
                 }
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackOnTopologyChangeTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackOnTopologyChangeTest.java
index 48e9de6..c43a2a7 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackOnTopologyChangeTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxRollbackOnTopologyChangeTest.java
@@ -162,7 +162,7 @@ public class TxRollbackOnTopologyChangeTest extends GridCommonAbstractTest {
 
                         fail("Deadlock expected");
                     }
-                    catch (Throwable t) {
+                    catch (Throwable ignore) {
                         // Expected.
                     }
 
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/security/compute/ComputePermissionCheckTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/security/compute/ComputePermissionCheckTest.java
index df83295..c2a7b1e 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/security/compute/ComputePermissionCheckTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/security/compute/ComputePermissionCheckTest.java
@@ -107,7 +107,7 @@ public class ComputePermissionCheckTest extends AbstractSecurityTest {
             if (!isLocked)
                 throw new IgniteException("tryLock should succeed or interrupted");
         }
-        catch (InterruptedException e) {
+        catch (InterruptedException ignore) {
             // This is expected.
         }
         finally {
diff --git a/modules/core/src/test/java/org/apache/ignite/spi/communication/tcp/GridTcpCommunicationSpiSkipWaitHandshakeOnClientTest.java b/modules/core/src/test/java/org/apache/ignite/spi/communication/tcp/GridTcpCommunicationSpiSkipWaitHandshakeOnClientTest.java
index 3199da1..b74a8a0 100644
--- a/modules/core/src/test/java/org/apache/ignite/spi/communication/tcp/GridTcpCommunicationSpiSkipWaitHandshakeOnClientTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/spi/communication/tcp/GridTcpCommunicationSpiSkipWaitHandshakeOnClientTest.java
@@ -113,7 +113,7 @@ public class GridTcpCommunicationSpiSkipWaitHandshakeOnClientTest extends GridCo
             try {
                 startGrid(0);
             }
-            catch (Exception e) {
+            catch (Exception ignore) {
                 // Noop
             }
         }).start();
diff --git a/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoverySpiFailureTimeoutSelfTest.java b/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoverySpiFailureTimeoutSelfTest.java
index 4fc6b33..a42071d 100644
--- a/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoverySpiFailureTimeoutSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoverySpiFailureTimeoutSelfTest.java
@@ -485,7 +485,7 @@ public class TcpClientDiscoverySpiFailureTimeoutSelfTest extends TcpClientDiscov
 
                     Thread.sleep(writeToSocketDelay);
                 }
-                catch (InterruptedException e) {
+                catch (InterruptedException ignore) {
                     // Nothing to do.
                 }
             }
@@ -508,7 +508,7 @@ public class TcpClientDiscoverySpiFailureTimeoutSelfTest extends TcpClientDiscov
 
                     Thread.sleep(writeToSocketDelay);
                 }
-                catch (InterruptedException e) {
+                catch (InterruptedException ignore) {
                     // Nothing to do.
                 }
             }
@@ -532,7 +532,7 @@ public class TcpClientDiscoverySpiFailureTimeoutSelfTest extends TcpClientDiscov
 
                     Thread.sleep(writeToSocketDelay);
                 }
-                catch (InterruptedException e) {
+                catch (InterruptedException ignore) {
                     // Nothing to do.
                 }
             }
@@ -566,7 +566,7 @@ public class TcpClientDiscoverySpiFailureTimeoutSelfTest extends TcpClientDiscov
                     try {
                         Thread.sleep(2000);
                     }
-                    catch (InterruptedException ignored) {
+                    catch (InterruptedException ignore) {
                         // No-op.
                     }
 
diff --git a/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoveryUnresolvedHostTest.java b/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoveryUnresolvedHostTest.java
index 29a2d1c..3f8ad60 100644
--- a/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoveryUnresolvedHostTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/spi/discovery/tcp/TcpClientDiscoveryUnresolvedHostTest.java
@@ -61,7 +61,7 @@ public class TcpClientDiscoveryUnresolvedHostTest extends GridCommonAbstractTest
     public void test() throws Exception {
         try {
             startClientGrid(0);
-        } catch (IgniteCheckedException e) {
+        } catch (IgniteCheckedException ignore) {
             //Ignore.
         }
 
diff --git a/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeJavaApiPutRemoveBenchmark.java b/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeJavaApiPutRemoveBenchmark.java
index c1106d7..3e32c0b 100644
--- a/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeJavaApiPutRemoveBenchmark.java
+++ b/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeJavaApiPutRemoveBenchmark.java
@@ -43,7 +43,7 @@ public class NativeJavaApiPutRemoveBenchmark extends AbstractNativeBenchmark {
         try {
             tabCache.put(insertKey, insertVal);
             tabCache.remove(insertKey);
-        } catch (IgniteException ign){
+        } catch (IgniteException ignore){
             // Collision occurred, ignoring.
         }
 
diff --git a/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeSqlInsertDeleteBenchmark.java b/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeSqlInsertDeleteBenchmark.java
index 9b26703..a14d68a 100644
--- a/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeSqlInsertDeleteBenchmark.java
+++ b/modules/yardstick/src/main/java/org/apache/ignite/yardstick/jdbc/NativeSqlInsertDeleteBenchmark.java
@@ -52,7 +52,7 @@ public class NativeSqlInsertDeleteBenchmark extends AbstractNativeBenchmark {
              FieldsQueryCursor<List<?>> delCur = qryProc.querySqlFields(delete, false)) {
             // No-op, there is no result
         }
-        catch (Exception ign) {
+        catch (Exception ignore) {
             // collision occurred, ignoring
         }