lzqdename opened a new issue #7857:
URL: https://github.com/apache/shardingsphere/issues/7857
## Bug Report
### Which version of ShardingSphere did you use?
```xml
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-jdbc-core</artifactId>
<version>4.1.1</version>
```
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
```xml
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-jdbc-core</artifactId>
<version>4.1.1</version>
```
### Expected behavior
parse ok
### Actual behavior
Caused by: java.lang.NullPointerException
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.createProjection(MySQLDMLVisitor.java:446)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitProjection(MySQLDMLVisitor.java:434)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitProjection(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$ProjectionContext.accept(MySQLStatementParser.java:5370)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitProjections(MySQLDMLVisitor.java:410)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitProjections(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$ProjectionsContext.accept(MySQLStatementParser.java:4865)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitSelectClause(MySQLDMLVisitor.java:329)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitSelectClause(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$SelectClauseContext.accept(MySQLStatementParser.java:4551)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitUnionClause(MySQLDMLVisitor.java:322)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitUnionClause(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$UnionClauseContext.accept(MySQLStatementParser.java:4446)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitSelect(MySQLDMLVisitor.java:314)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitSelect(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$SelectContext.accept(MySQLStatementParser.java:3098)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.SQLParserEngine.parse0(SQLParserEngine.java:80)
at
org.apache.shardingsphere.sql.parser.SQLParserEngine.parse(SQLParserEngine.java:61)
at
org.apache.shardingsphere.underlying.route.DataNodeRouter.createRouteContext(DataNodeRouter.java:97)
at
org.apache.shardingsphere.underlying.route.DataNodeRouter.executeRoute(DataNodeRouter.java:89)
at
org.apache.shardingsphere.underlying.route.DataNodeRouter.route(DataNodeRouter.java:76)
at
org.apache.shardingsphere.underlying.pluggble.prepare.PreparedQueryPrepareEngine.route(PreparedQueryPrepareEngine.java:54)
at
org.apache.shardingsphere.underlying.pluggble.prepare.BasePrepareEngine.executeRoute(BasePrepareEngine.java:96)
at
org.apache.shardingsphere.underlying.pluggble.prepare.BasePrepareEngine.prepare(BasePrepareEngine.java:83)
at
org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.MasterSlavePreparedStatement.<init>(MasterSlavePreparedStatement.java:65)
at
org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.MasterSlavePreparedStatement.<init>(MasterSlavePreparedStatement.java:53)
at
org.apache.shardingsphere.shardingjdbc.jdbc.core.connection.MasterSlaveConnection.prepareStatement(MasterSlaveConnection.java:79)
at sun.reflect.GeneratedMethodAccessor483.invoke(Unknown Source)
### Reason analyze (If you can)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
SELECT id,tenant_code,station_id,json FROM module_json WHERE tenant_code =
'hpyh' AND station_id = 5
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