penghuazhou opened a new issue, #38317:
URL: https://github.com/apache/shardingsphere/issues/38317
It throw "Caused by: java.lang.NoClassDefFoundError:
org/apache/seata/core/context/RootContext" err when I use
shardingsphere-proxy: 5.5.3. But it can support for 5.1.1.
```
Caused by: java.lang.NoClassDefFoundError:
org/apache/seata/core/context/RootContext
at
org.apache.shardingsphere.transaction.base.seata.at.SeataTransactionalSQLExecutionHook.start(SeataTransactionalSQLExecutionHook.java:36)
at
org.apache.shardingsphere.infra.executor.sql.hook.SPISQLExecutionHook.start(SPISQLExecutionHook.java:36)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:90)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:65)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.syncExecute(ExecutorEngine.java:99)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.parallelExecute(ExecutorEngine.java:95)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.execute(ExecutorEngine.java:78)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutor.execute(JDBCExecutor.java:66)
at
org.apache.shardingsphere.proxy.backend.connector.jdbc.executor.ProxyJDBCExecutor.execute(ProxyJDBCExecutor.java:74)
at
org.apache.shardingsphere.proxy.backend.connector.ProxySQLExecutor.useDriverToExecute(ProxySQLExecutor.java:235)
at
org.apache.shardingsphere.proxy.backend.connector.ProxySQLExecutor.execute(ProxySQLExecutor.java:192)
at
org.apache.shardingsphere.proxy.backend.connector.StandardDatabaseProxyConnector.doExecute(StandardDatabaseProxyConnector.java:238)
at
org.apache.shardingsphere.proxy.backend.connector.StandardDatabaseProxyConnector.execute(StandardDatabaseProxyConnector.java:194)
at
org.apache.shardingsphere.proxy.backend.handler.data.type.UnicastDatabaseProxyBackendHandler.execute(UnicastDatabaseProxyBackendHandler.java:63)
at
org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:96)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.doExecuteCommand(CommandExecutorTask.java:126)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:121)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:78)
... 4 common frames omitted
Caused by: java.lang.ClassNotFoundException:
org.apache.seata.core.context.RootContext
... 22 common frames omitted
[ERROR] 2026-03-03 16:15:25.813 [ShardingSphere-Command-0]
o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.RuntimeException: java.lang.NoClassDefFoundError:
org/apache/seata/core/context/RootContext
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:87)
at com.alibaba.ttl.TtlRunnable.run(TtlRunnable.java:60)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
at java.base/java.lang.Thread.run(Thread.java:1474)
Caused by: java.lang.NoClassDefFoundError:
org/apache/seata/core/context/RootContext
at
org.apache.shardingsphere.transaction.base.seata.at.SeataTransactionalSQLExecutionHook.start(SeataTransactionalSQLExecutionHook.java:36)
at
org.apache.shardingsphere.infra.executor.sql.hook.SPISQLExecutionHook.start(SPISQLExecutionHook.java:36)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:90)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:65)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.syncExecute(ExecutorEngine.java:99)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.parallelExecute(ExecutorEngine.java:95)
:
```
global.yaml
```
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#
######################################################################################################
#
# If you want to configure governance, authorization and proxy properties,
please refer to this file.
#
######################################################################################################
mode:
type: Standalone
repository:
type: JDBC
authority:
users:
- user: sharding@%
password: sharding
privilege:
type: ALL_PERMITTED
transaction:
defaultType: LOCAL
providerType: Atomikos
sqlParser:
sqlStatementCache:
initialCapacity: 2000
maximumSize: 65535
parseTreeCache:
initialCapacity: 128
maximumSize: 1024
sqlFederation:
sqlFederationEnabled: false
executionPlanCache:
initialCapacity: 2000
maximumSize: 65535
props:
max-connections-size-per-query: 1
kernel-executor-size: 16 # Infinite by default.
proxy-frontend-flush-threshold: 128 # The default value is 128.
# sql-show is the same as props in logger org.apache.shardingsphere.sql,
and its priority is lower than logging rule
sql-show: false
check-table-metadata-enabled: false
# Proxy backend query fetch size. A larger value may increase the memory
usage of ShardingSphere Proxy.
# The default value is -1, which means set the minimum value for different
JDBC drivers.
proxy-backend-query-fetch-size: -1
proxy-frontend-executor-size: 0 # Proxy frontend executor size. The
default value is 0, which means let Netty decide.
proxy-frontend-max-connections: 0 # Less than or equal to 0 means no
limitation.
proxy-default-port: 23307 # Proxy default port.
proxy-netty-backlog: 1024 # Proxy netty backlog.
cdc-server-port: 33071 # CDC server port
proxy-frontend-ssl-enabled: false
proxy-frontend-ssl-cipher: ''
proxy-frontend-ssl-version: TLSv1.2,TLSv1.3
```
database-sharding.yaml
```
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#
######################################################################################################
#
# Here you can configure the rules for the proxy.
# This example is configuration of sharding rule.
#
######################################################################################################
databaseName: sharding_db
dataSources:
ds_0:
url:
jdbc:mysql://127.0.0.1:3306/sre_agent?serverTimezone=UTC&useSSL=false&charset=utf8mb4&parseTime=True&allowPublicKeyRetrieval=true
username: sharding
password: sharding
connectionTimeoutMilliseconds: 30000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 500
minPoolSize: 10
customPoolProps:
leakDetectionThreshold: 30000
registerMbeans: true
rules:
- !SHARDING
tables:
tbl_group:
actualDataNodes: ds_0.tbl_group_${0}_${0}
tableStrategy:
complex:
shardingColumns: app_id,group_id
shardingAlgorithmName: tbl_group_strategy
defaultDatabaseStrategy:
none:
defaultTableStrategy:
none:
defaultKeyGenerateStrategy:
keyGeneratorName: snowflake
column: id
shardingAlgorithms:
tbl_group_strategy:
type: COMPLEX_INLINE
props:
algorithm-expression:
tbl_group_${app_id}_${Math.abs(group_id.hashCode()) % 2}
keyGenerators:
snowflake:
type: SNOWFLAKE
props:
worker-id: 561
```
test
```
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sharding_db |
| shardingsphere |
| sys |
+--------------------+
6 rows in set (0.031 sec)
mysql> use sharding_db;
Database changed
mysql> show tables;
+-----------------------+
| Tables_in_sharding_db |
+-----------------------+
| tbl_group |
+-----------------------+
1 row in set (0.019 sec)
mysql> SELECT 1;
ERROR 30000 (HY000): Unknown exception.
More details: java.lang.RuntimeException: java.lang.NoClassDefFoundError:
org/apache/seata/core/context/RootContext
```
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