bxvs888 commented on issue #3233: shardingsphere proxy 4.0.0-RC3-SNAPSHOT JDBC execute SQL report org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask - Exception occur: java.lang.IndexOutOfBoundsException: readerIndex(22) + length(2) exceeds writerIndex(23): PooledSlicedByteBuf(ridx: 22, widx: 23, cap: 23/23, unwrapped: URL: https://github.com/apache/incubator-shardingsphere/issues/3233#issuecomment-541287968 public final class PostgreSQLStringBinaryProtocolValue implements PostgreSQLBinaryProtocolValue { @Override public int getColumnLength(final Object value) { return value.toString().length(); } @Override public Object read(final PostgreSQLPacketPayload payload) { //错在这里，读时没有指定长度。 return payload.readStringNul(); } //public final class PostgreSQLStringBinaryProtocolValue implements PostgreSQLBinaryProtocolValue { @Override public int getColumnLength(final Object value) { return value.toString().length(); } @Override public Object read(final PostgreSQLPacketPayload payload) { return payload.readStringNul(); } @Override public Object read(PostgreSQLPacketPayload payload, int len) throws SQLException { byte[] result = new byte[len]; payload.getByteBuf().readBytes(result); return new String(result); } @Override public void write(final PostgreSQLPacketPayload payload, final Object value) { if (value instanceof byte[]) { payload.writeBytes((byte[]) value); } else { payload.writeStringEOF(value.toString()); } } } //加入新的方法。 @Override public Object read(PostgreSQLPacketPayload payload, int len) throws SQLException { byte[] result = new byte[len]; payload.getByteBuf().readBytes(result); return new String(result); } @Override public void write(final PostgreSQLPacketPayload payload, final Object value) { if (value instanceof byte[]) { payload.writeBytes((byte[]) value); } else { payload.writeStringEOF(value.toString()); } } }
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