create error code

api/src/main/java/com/alibaba/nacos/api/common/ResponseCode.java

@@ -24,6 +24,7 @@ package com.alibaba.nacos.api.common;
  * <li> Global and common code starts with 10001.
  * <li> Naming module code starts with 20001.
  * <li> Config module code starts with 30001.
+ * <li> Core module code starts with 40001.
  *
  * @author nkorange
  * @since 1.2.0

core/src/main/java/com/alibaba/nacos/core/exception/ErrorCode.java

@@ -0,0 +1,62 @@
+/*
+ *  Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ */
+
+package com.alibaba.nacos.core.exception;
+
+/**
+ * Core module code starts with 40001.
+ *
+ * @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
+ */
+public enum ErrorCode {
+    
+    UnKnowError(40001),
+    
+    RocksDBWriteError(40100),
+    
+    RocksDBReadError(40101),
+    
+    RocksDBDeleteError(40102),
+    
+    RocksDBSnapshotSaveError(40103),
+    
+    RocksDBSnapshotLoadError(40104),
+    
+    RocksDBResetError(40105),
+    
+    RocksDBCreateError(40106),
+    
+    // disk error
+    
+    IOMakeDirError(40201),
+    
+    // consistency protocol
+    
+    ProtoSubmitError(40301),
+    
+    ProtoReadError(40302),
+    ;
+    
+    private final int code;
+    
+    ErrorCode(int code) {
+        this.code = code;
+    }
+    
+    public int getCode() {
+        return code;
+    }
+}

core/src/main/java/com/alibaba/nacos/core/storage/RocksStorage.java

@@ -17,10 +17,10 @@
 
 package com.alibaba.nacos.core.storage;
 
-import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.api.exception.runtime.NacosRuntimeException;
 import com.alibaba.nacos.common.utils.JacksonUtils;
 import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.core.exception.ErrorCode;
 import com.alibaba.nacos.core.exception.RocksStorageException;
 import com.alibaba.nacos.core.utils.DiskUtils;
 import org.rocksdb.BackupEngine;
@@ -90,7 +90,7 @@ public final class RocksStorage {
         try {
             DiskUtils.forceMkdir(baseDir);
         } catch (IOException e) {
-            throw new NacosRuntimeException(NacosException.SERVER_ERROR, e);
+            throw new NacosRuntimeException(ErrorCode.IOMakeDirError.getCode(), e);
         }
         createRocksDB(baseDir, group, writeOptions, readOptions, storage);
         return storage;
@@ -102,7 +102,7 @@ public final class RocksStorage {
             createRocksDB(dbPath, group, writeOptions, readOptions, this);
         } catch (RocksDBException ex) {
             Status status = ex.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBResetError, status);
         }
     }
     
@@ -126,7 +126,7 @@ public final class RocksStorage {
             storage.db = db;
             storage.defaultHandle = columnFamilyHandles.get(0);
         } catch (RocksDBException e) {
-            throw new NacosRuntimeException(NacosException.SERVER_ERROR, e);
+            throw new NacosRuntimeException(ErrorCode.RocksDBCreateError.getCode(), e);
         }
     }
     
@@ -135,7 +135,7 @@ public final class RocksStorage {
             this.db.put(defaultHandle, writeOptions, key, value);
         } catch (RocksDBException e) {
             Status status = e.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBWriteError, status);
         }
     }
     
@@ -150,7 +150,7 @@ public final class RocksStorage {
             db.write(writeOptions, batch);
         } catch (RocksDBException e) {
             Status status = e.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBWriteError, status);
         }
     }
     
@@ -159,7 +159,7 @@ public final class RocksStorage {
             return db.get(defaultHandle, readOptions, key);
         } catch (RocksDBException e) {
             Status status = e.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBReadError, status);
         }
     }
     
@@ -168,7 +168,7 @@ public final class RocksStorage {
             return db.multiGet(readOptions, key);
         } catch (RocksDBException e) {
             Status status = e.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBReadError, status);
         }
     }
     
@@ -177,7 +177,7 @@ public final class RocksStorage {
             db.delete(defaultHandle, writeOptions, key);
         } catch (RocksDBException e) {
             Status status = e.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBDeleteError, status);
         }
     }
     
@@ -188,7 +188,7 @@ public final class RocksStorage {
             }
         } catch (RocksDBException e) {
             Status status = e.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBDeleteError, status);
         }
     }
     
@@ -208,12 +208,13 @@ public final class RocksStorage {
                 return null;
             } catch (RocksDBException e) {
                 Status status = e.getStatus();
-                return createRocksStorageException(status);
+                return createRocksStorageException(ErrorCode.RocksDBSnapshotSaveError, status);
             } catch (Throwable throwable) {
                 return throwable;
             }
-        }); if (ex != null) {
+        });
-            throw new RocksStorageException(NacosException.SERVER_ERROR, ex);
+        if (ex != null) {
+            throw new RocksStorageException(ErrorCode.UnKnowError.getCode(), ex);
         }
     }
     
@@ -230,14 +231,12 @@ public final class RocksStorage {
             final BackupEngine backupEngine = BackupEngine.open(RocksStorage.this.options.getEnv(), backupOpt);
             final RestoreOptions options = new RestoreOptions(true);
             final DBOptions dbOptions = RocksStorage.this.options;
-            backupEngine
+            backupEngine.restoreDbFromBackup(info.getBackupId(), dbPath, dbOptions.walDir(), options);
-                    .restoreDbFromBackup(info.getBackupId(), dbPath, dbOptions.walDir(),
-                            options);
         } catch (RocksDBException ex) {
             Status status = ex.getStatus();
-            throw createRocksStorageException(status);
+            throw createRocksStorageException(ErrorCode.RocksDBSnapshotLoadError, status);
         } catch (Throwable ex) {
-            throw new RocksStorageException(NacosException.SERVER_ERROR, ex);
+            throw new RocksStorageException(ErrorCode.UnKnowError.getCode(), ex);
         }
     }
     
@@ -252,9 +251,9 @@ public final class RocksStorage {
         this.readOptions.close();
     }
     
-    private static RocksStorageException createRocksStorageException(Status status) {
+    private static RocksStorageException createRocksStorageException(ErrorCode code, Status status) {
         RocksStorageException exception = new RocksStorageException();
-        exception.setErrCode(status.getCode().getValue());
+        exception.setErrCode(code.getCode());
         exception.setErrMsg(String.format("RocksDB error msg : code=%s, subCode=%s, state=%s", status.getCode(),
                 status.getSubCode(), status.getState()));
         return exception;

naming/src/main/java/com/alibaba/nacos/naming/consistency/persistent/impl/PersistentServiceProcessor.java

@@ -32,6 +32,7 @@ import com.alibaba.nacos.consistency.entity.Log;
 import com.alibaba.nacos.consistency.entity.Response;
 import com.alibaba.nacos.consistency.snapshot.SnapshotOperation;
 import com.alibaba.nacos.core.distributed.raft.RaftConfig;
+import com.alibaba.nacos.core.exception.ErrorCode;
 import com.alibaba.nacos.core.exception.RocksStorageException;
 import com.alibaba.nacos.core.storage.RocksStorage;
 import com.alibaba.nacos.naming.consistency.Datum;
@@ -109,7 +110,7 @@ public class PersistentServiceProcessor extends LogProcessor4CP implements Persi
                 byte[] data = rocksStorage.get(ByteUtils.toBytes(key));
                 return serializer.deserialize(data);
             } catch (RocksStorageException ex) {
-                throw new NacosRuntimeException(NacosException.SERVER_ERROR, ex.getErrMsg());
+                throw new NacosRuntimeException(ex.getErrCode(), ex.getErrMsg());
             }
         });
         init();
@@ -229,7 +230,7 @@ public class PersistentServiceProcessor extends LogProcessor4CP implements Persi
         try {
             protocol.submit(log);
         } catch (Exception e) {
-            throw new NacosException(NacosException.SERVER_ERROR, e.getMessage());
+            throw new NacosException(ErrorCode.ProtoSubmitError.getCode(), e.getMessage());
         }
     }
     
@@ -242,7 +243,7 @@ public class PersistentServiceProcessor extends LogProcessor4CP implements Persi
         try {
             protocol.submit(log);
         } catch (Exception e) {
-            throw new NacosException(NacosException.SERVER_ERROR, e.getMessage());
+            throw new NacosException(ErrorCode.ProtoSubmitError.getCode(), e.getMessage());
         }
     }
     
@@ -257,9 +258,9 @@ public class PersistentServiceProcessor extends LogProcessor4CP implements Persi
             if (resp.getSuccess()) {
                 return serializer.deserialize(resp.getData().toByteArray(), Datum.class);
             }
-            throw new NacosException(NacosException.SERVER_ERROR, resp.getErrMsg());
+            throw new NacosException(ErrorCode.ProtoReadError.getCode(), resp.getErrMsg());
         } catch (Exception e) {
-            throw new NacosException(NacosException.SERVER_ERROR, e.getMessage());
+            throw new NacosException(ErrorCode.ProtoReadError.getCode(), e.getMessage());
         }
     }
     

naming/src/main/java/com/alibaba/nacos/naming/utils/Constants.java

@@ -18,6 +18,8 @@
 package com.alibaba.nacos.naming.utils;
 
 /**
+ * Naming module code starts with 20001.
+ *
  * @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
  */
 public final class Constants {