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in repository https://gitbox.apache.org/repos/asf/shardingsphere.git
The following commit(s) were added to refs/heads/master by this push:
new f3129180ba0 Refactor ShardingSphereSQLException (#20170)
f3129180ba0 is described below
commit f3129180ba0190cbc1cb5d228e03a47f645cdd30
Author: Liang Zhang <[email protected]>
AuthorDate: Sun Aug 14 22:48:02 2022 +0800
Refactor ShardingSphereSQLException (#20170)
---
.../java/org/apache/shardingsphere/error/SQLExceptionHandler.java | 2 +-
.../error/exception/{standard => }/ShardingSphereSQLException.java | 2 +-
.../exception/{standard => }/lock/TableLockWaitTimeoutException.java | 4 ++--
.../error/exception/{standard => }/lock/TableLockedException.java | 4 ++--
.../proxy/backend/communication/DatabaseCommunicationEngine.java | 2 +-
.../proxy/backend/exception}/ResourceNotExistedException.java | 4 ++--
.../proxy/backend/exception}/RuleNotExistedException.java | 4 ++--
.../handler/admin/executor/AbstractDatabaseMetadataExecutor.java | 2 +-
.../handler/admin/mysql/executor/UnicastResourceShowExecutor.java | 2 +-
.../backend/handler/data/impl/UnicastDatabaseBackendHandler.java | 2 +-
.../distsql/ral/hint/executor/ShowShardingHintStatusExecutor.java | 2 +-
.../proxy/backend/handler/distsql/rul/sql/PreviewHandler.java | 2 +-
.../proxy/frontend/exception}/CircuitBreakException.java | 4 ++--
.../proxy/frontend/exception}/UnsupportedCommandException.java | 4 ++--
.../proxy/frontend/state/impl/CircuitBreakProxyState.java | 2 +-
.../proxy/frontend/state/impl/CircuitBreakProxyStateTest.java | 2 +-
.../mysql/command/generic/MySQLUnsupportedCommandExecutor.java | 2 +-
.../proxy/frontend/mysql/err/MySQLErrPacketFactoryTest.java | 4 ++--
18 files changed, 25 insertions(+), 25 deletions(-)
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/SQLExceptionHandler.java
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/SQLExceptionHandler.java
index 007b11a61e4..f21e1312601 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/SQLExceptionHandler.java
+++
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/SQLExceptionHandler.java
@@ -20,7 +20,7 @@ package org.apache.shardingsphere.error;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.apache.shardingsphere.error.exception.dialect.SQLDialectException;
-import
org.apache.shardingsphere.error.exception.standard.ShardingSphereSQLException;
+import org.apache.shardingsphere.error.exception.ShardingSphereSQLException;
import org.apache.shardingsphere.error.mapper.SQLDialectExceptionMapperFactory;
import org.apache.shardingsphere.error.vendor.ShardingSphereVendorError;
import org.apache.shardingsphere.error.vendor.VendorError;
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/ShardingSphereSQLException.java
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/ShardingSphereSQLException.java
similarity index 96%
rename from
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/ShardingSphereSQLException.java
rename to
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/ShardingSphereSQLException.java
index d9c093eece0..15744326a6e 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/ShardingSphereSQLException.java
+++
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/ShardingSphereSQLException.java
@@ -15,7 +15,7 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.error.exception.standard;
+package org.apache.shardingsphere.error.exception;
import org.apache.shardingsphere.error.sqlstate.SQLState;
import
org.apache.shardingsphere.infra.util.exception.ShardingSphereInsideException;
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/lock/TableLockWaitTimeoutException.java
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/lock/TableLockWaitTimeoutException.java
similarity index 90%
rename from
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/lock/TableLockWaitTimeoutException.java
rename to
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/lock/TableLockWaitTimeoutException.java
index e1dbcdf849b..9109251f2c7 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/lock/TableLockWaitTimeoutException.java
+++
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/lock/TableLockWaitTimeoutException.java
@@ -15,9 +15,9 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.error.exception.standard.lock;
+package org.apache.shardingsphere.error.exception.lock;
-import
org.apache.shardingsphere.error.exception.standard.ShardingSphereSQLException;
+import org.apache.shardingsphere.error.exception.ShardingSphereSQLException;
import org.apache.shardingsphere.error.sqlstate.XOpenSQLState;
/**
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/lock/TableLockedException.java
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/lock/TableLockedException.java
similarity index 89%
rename from
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/lock/TableLockedException.java
rename to
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/lock/TableLockedException.java
index bfcea525542..aa4e6d27b42 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/lock/TableLockedException.java
+++
b/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/lock/TableLockedException.java
@@ -15,9 +15,9 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.error.exception.standard.lock;
+package org.apache.shardingsphere.error.exception.lock;
-import
org.apache.shardingsphere.error.exception.standard.ShardingSphereSQLException;
+import org.apache.shardingsphere.error.exception.ShardingSphereSQLException;
import org.apache.shardingsphere.error.sqlstate.XOpenSQLState;
/**
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/communication/DatabaseCommunicationEngine.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/communication/DatabaseCommunicationEngine.java
index 40c00d31d79..d554b3eb75f 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/communication/DatabaseCommunicationEngine.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/communication/DatabaseCommunicationEngine.java
@@ -32,7 +32,7 @@ import
org.apache.shardingsphere.infra.binder.type.CursorAvailable;
import org.apache.shardingsphere.infra.context.kernel.KernelProcessor;
import org.apache.shardingsphere.infra.context.refresher.MetaDataRefreshEngine;
import
org.apache.shardingsphere.infra.distsql.exception.resource.RequiredResourceMissedException;
-import
org.apache.shardingsphere.error.exception.standard.rule.RuleNotExistedException;
+import
org.apache.shardingsphere.proxy.backend.exception.RuleNotExistedException;
import org.apache.shardingsphere.infra.executor.sql.context.ExecutionContext;
import
org.apache.shardingsphere.infra.executor.sql.execute.result.query.QueryResult;
import
org.apache.shardingsphere.infra.executor.sql.execute.result.update.UpdateResult;
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/rule/ResourceNotExistedException.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/exception/ResourceNotExistedException.java
similarity index 88%
rename from
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/rule/ResourceNotExistedException.java
rename to
shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/exception/ResourceNotExistedException.java
index d0bf758a559..a9a36273f66 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/rule/ResourceNotExistedException.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/exception/ResourceNotExistedException.java
@@ -15,9 +15,9 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.error.exception.standard.rule;
+package org.apache.shardingsphere.proxy.backend.exception;
-import
org.apache.shardingsphere.error.exception.standard.ShardingSphereSQLException;
+import org.apache.shardingsphere.error.exception.ShardingSphereSQLException;
import org.apache.shardingsphere.error.sqlstate.XOpenSQLState;
/**
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/rule/RuleNotExistedException.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/exception/RuleNotExistedException.java
similarity index 88%
rename from
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/rule/RuleNotExistedException.java
rename to
shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/exception/RuleNotExistedException.java
index 01e25af710d..378b92182a8 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/rule/RuleNotExistedException.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/exception/RuleNotExistedException.java
@@ -15,9 +15,9 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.error.exception.standard.rule;
+package org.apache.shardingsphere.proxy.backend.exception;
-import
org.apache.shardingsphere.error.exception.standard.ShardingSphereSQLException;
+import org.apache.shardingsphere.error.exception.ShardingSphereSQLException;
import org.apache.shardingsphere.error.sqlstate.XOpenSQLState;
/**
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/executor/AbstractDatabaseMetadataExecutor.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/executor/AbstractDatabaseMetadataExecutor.java
index c94085e7a70..a475da55db7 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/executor/AbstractDatabaseMetadataExecutor.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/executor/AbstractDatabaseMetadataExecutor.java
@@ -32,7 +32,7 @@ import
org.apache.shardingsphere.infra.metadata.database.resource.ShardingSphere
import org.apache.shardingsphere.infra.metadata.user.Grantee;
import org.apache.shardingsphere.infra.rule.ShardingSphereRule;
import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
-import
org.apache.shardingsphere.error.exception.standard.rule.ResourceNotExistedException;
+import
org.apache.shardingsphere.proxy.backend.exception.ResourceNotExistedException;
import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
import
org.apache.shardingsphere.proxy.backend.handler.admin.FunctionWithException;
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/mysql/executor/UnicastResourceShowExecutor.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/mysql/executor/UnicastResourceShowExecutor.java
index b293a0fa5ea..3103d4386bb 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/mysql/executor/UnicastResourceShowExecutor.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/admin/mysql/executor/UnicastResourceShowExecutor.java
@@ -34,7 +34,7 @@ import
org.apache.shardingsphere.proxy.backend.communication.DatabaseCommunicati
import
org.apache.shardingsphere.proxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine;
import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.NoDatabaseSelectedException;
-import
org.apache.shardingsphere.error.exception.standard.rule.RuleNotExistedException;
+import
org.apache.shardingsphere.proxy.backend.exception.RuleNotExistedException;
import org.apache.shardingsphere.proxy.backend.response.header.ResponseHeader;
import
org.apache.shardingsphere.proxy.backend.response.header.query.QueryHeader;
import
org.apache.shardingsphere.proxy.backend.response.header.query.QueryResponseHeader;
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/data/impl/UnicastDatabaseBackendHandler.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/data/impl/UnicastDatabaseBackendHandler.java
index 00f92a8eec6..b086e2bb81c 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/data/impl/UnicastDatabaseBackendHandler.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/data/impl/UnicastDatabaseBackendHandler.java
@@ -24,7 +24,7 @@ import
org.apache.shardingsphere.proxy.backend.communication.DatabaseCommunicati
import
org.apache.shardingsphere.proxy.backend.communication.DatabaseCommunicationEngineFactory;
import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.NoDatabaseSelectedException;
-import
org.apache.shardingsphere.error.exception.standard.rule.RuleNotExistedException;
+import
org.apache.shardingsphere.proxy.backend.exception.RuleNotExistedException;
import org.apache.shardingsphere.proxy.backend.response.data.QueryResponseRow;
import org.apache.shardingsphere.proxy.backend.response.header.ResponseHeader;
import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/hint/executor/ShowShardingHintStatusExecutor.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/hint/executor/ShowShardingHintStatusExecutor.java
index 4555d5cff6f..e516891e223 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/hint/executor/ShowShardingHintStatusExecutor.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/hint/executor/ShowShardingHintStatusExecutor.java
@@ -25,7 +25,7 @@ import
org.apache.shardingsphere.infra.merge.result.impl.local.LocalDataMergedRe
import
org.apache.shardingsphere.infra.merge.result.impl.local.LocalDataQueryResultRow;
import
org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
-import
org.apache.shardingsphere.error.exception.standard.rule.RuleNotExistedException;
+import
org.apache.shardingsphere.proxy.backend.exception.RuleNotExistedException;
import
org.apache.shardingsphere.proxy.backend.response.header.query.QueryHeader;
import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
import
org.apache.shardingsphere.proxy.backend.handler.distsql.ral.hint.enums.HintShardingType;
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/rul/sql/PreviewHandler.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/rul/sql/PreviewHandler.java
index 318cab59767..6ce75d75a32 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/rul/sql/PreviewHandler.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/rul/sql/PreviewHandler.java
@@ -35,7 +35,7 @@ import
org.apache.shardingsphere.infra.context.kernel.KernelProcessor;
import org.apache.shardingsphere.infra.database.type.DatabaseType;
import org.apache.shardingsphere.infra.database.type.DatabaseTypeEngine;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.NoDatabaseSelectedException;
-import
org.apache.shardingsphere.error.exception.standard.rule.RuleNotExistedException;
+import
org.apache.shardingsphere.proxy.backend.exception.RuleNotExistedException;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.UnknownDatabaseException;
import org.apache.shardingsphere.infra.executor.sql.context.ExecutionUnit;
import
org.apache.shardingsphere.infra.executor.sql.execute.engine.ConnectionMode;
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/connection/CircuitBreakException.java
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/exception/CircuitBreakException.java
similarity index 88%
rename from
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/connection/CircuitBreakException.java
rename to
shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/exception/CircuitBreakException.java
index a7a36f7cccd..a6b34589f38 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/connection/CircuitBreakException.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/exception/CircuitBreakException.java
@@ -15,9 +15,9 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.error.exception.standard.connection;
+package org.apache.shardingsphere.proxy.frontend.exception;
-import
org.apache.shardingsphere.error.exception.standard.ShardingSphereSQLException;
+import org.apache.shardingsphere.error.exception.ShardingSphereSQLException;
import org.apache.shardingsphere.error.sqlstate.XOpenSQLState;
/**
diff --git
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/command/UnsupportedCommandException.java
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/exception/UnsupportedCommandException.java
similarity index 88%
rename from
shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/command/UnsupportedCommandException.java
rename to
shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/exception/UnsupportedCommandException.java
index 122bbb7bb33..69c35b44971 100644
---
a/shardingsphere-error/shardingsphere-common-error/src/main/java/org/apache/shardingsphere/error/exception/standard/command/UnsupportedCommandException.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/exception/UnsupportedCommandException.java
@@ -15,9 +15,9 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.error.exception.standard.command;
+package org.apache.shardingsphere.proxy.frontend.exception;
-import
org.apache.shardingsphere.error.exception.standard.ShardingSphereSQLException;
+import org.apache.shardingsphere.error.exception.ShardingSphereSQLException;
import org.apache.shardingsphere.error.sqlstate.XOpenSQLState;
/**
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyState.java
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyState.java
index 8130681475e..da789ea4f49 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyState.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyState.java
@@ -19,7 +19,7 @@ package org.apache.shardingsphere.proxy.frontend.state.impl;
import io.netty.channel.ChannelHandlerContext;
import org.apache.shardingsphere.db.protocol.packet.DatabasePacket;
-import
org.apache.shardingsphere.error.exception.standard.connection.CircuitBreakException;
+import
org.apache.shardingsphere.proxy.frontend.exception.CircuitBreakException;
import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
import
org.apache.shardingsphere.proxy.frontend.spi.DatabaseProtocolFrontendEngine;
import org.apache.shardingsphere.proxy.frontend.state.ProxyState;
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/test/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyStateTest.java
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/test/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyStateTest.java
index 3e7226ed4e3..8b33808978b 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/test/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyStateTest.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/test/java/org/apache/shardingsphere/proxy/frontend/state/impl/CircuitBreakProxyStateTest.java
@@ -19,7 +19,7 @@ package org.apache.shardingsphere.proxy.frontend.state.impl;
import io.netty.channel.ChannelHandlerContext;
import org.apache.shardingsphere.db.protocol.packet.DatabasePacket;
-import
org.apache.shardingsphere.error.exception.standard.connection.CircuitBreakException;
+import
org.apache.shardingsphere.proxy.frontend.exception.CircuitBreakException;
import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
import
org.apache.shardingsphere.proxy.frontend.spi.DatabaseProtocolFrontendEngine;
import org.junit.Test;
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/main/java/org/apache/shardingsphere/proxy/frontend/mysql/command/generic/MySQLUnsupportedCommandExecutor.java
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/main/java/org/apache/shardingsphere/proxy/frontend/mysql/command/generic/MySQLUnsupportedCommandExecutor.java
index 8c807a8d09a..69efbcece67 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/main/java/org/apache/shardingsphere/proxy/frontend/mysql/command/generic/MySQLUnsupportedCommandExecutor.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/main/java/org/apache/shardingsphere/proxy/frontend/mysql/command/generic/MySQLUnsupportedCommandExecutor.java
@@ -21,7 +21,7 @@ import lombok.RequiredArgsConstructor;
import
org.apache.shardingsphere.db.protocol.mysql.packet.command.MySQLCommandPacketType;
import org.apache.shardingsphere.db.protocol.packet.DatabasePacket;
import
org.apache.shardingsphere.proxy.frontend.command.executor.CommandExecutor;
-import
org.apache.shardingsphere.error.exception.standard.command.UnsupportedCommandException;
+import
org.apache.shardingsphere.proxy.frontend.exception.UnsupportedCommandException;
import java.util.Collection;
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/test/java/org/apache/shardingsphere/proxy/frontend/mysql/err/MySQLErrPacketFactoryTest.java
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/test/java/org/apache/shardingsphere/proxy/frontend/mysql/err/MySQLErrPacketFactoryTest.java
index 41867d0e46a..0707e472bc9 100644
---
a/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/test/java/org/apache/shardingsphere/proxy/frontend/mysql/err/MySQLErrPacketFactoryTest.java
+++
b/shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-mysql/src/test/java/org/apache/shardingsphere/proxy/frontend/mysql/err/MySQLErrPacketFactoryTest.java
@@ -22,12 +22,12 @@ import
org.apache.shardingsphere.infra.config.exception.ShardingSphereConfigurat
import
org.apache.shardingsphere.infra.distsql.exception.rule.RuleDefinitionViolationException;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.NoDatabaseSelectedException;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.UnknownDatabaseException;
-import
org.apache.shardingsphere.error.exception.standard.connection.CircuitBreakException;
+import
org.apache.shardingsphere.proxy.frontend.exception.CircuitBreakException;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.DatabaseCreateExistsException;
import
org.apache.shardingsphere.error.exception.dialect.syntax.database.DatabaseDropNotExistsException;
import
org.apache.shardingsphere.error.exception.dialect.transaction.TableModifyInTransactionException;
import
org.apache.shardingsphere.proxy.backend.handler.distsql.ral.common.exception.UnsupportedVariableException;
-import
org.apache.shardingsphere.error.exception.standard.command.UnsupportedCommandException;
+import
org.apache.shardingsphere.proxy.frontend.exception.UnsupportedCommandException;
import
org.apache.shardingsphere.proxy.frontend.exception.UnsupportedPreparedStatementException;
import
org.apache.shardingsphere.error.exception.dialect.syntax.table.NoSuchTableException;
import
org.apache.shardingsphere.error.exception.dialect.syntax.table.TableExistsException;
