Disable the preparedStatement cache should workaround this issue per my test,
it can be disabled by setting the "enableStatementCache" field to false in the
sql request, like:
{
"sql":"...",
"project":"...",
"enableStatementCache":false,
...
}
At 2018-10-14 10:23:06, "Ma Gang" <[email protected]> wrote:
@all,
Jira ticket has been created for this issue:
https://issues.apache.org/jira/browse/KYLIN-3629
I have provided a patch in the ticket, the issue is introduced by the
preparedStatement cache implementation:
https://issues.apache.org/jira/browse/KYLIN-3536
I didn't consider the case that when there is no realization exists in the
OLAPContext.
在 2018-10-14 00:06:24，"Ma Gang" <[email protected]> 写道：
@guofeng,
You may first disable the preparestatement cache to see it works or not, it can
be disabled by setting the "enableStatementCache" field to false in the sql
request, like:
{
"sql":"...",
"project":"...",
"enableStatementCache":false,
...
}
At 2018-10-13 23:16:13, "Ma Gang" <[email protected]> wrote:
That may caused by the sql that use preparedStatement didnot hit any cube,
@guofeng, could you provide the sql?
| |
Ma Gang
|
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邮箱：[email protected]
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On 10/13/2018 22:41, ShaoFeng Shi wrote:
It looks more like a bug related with prepared statement cache.
@magang, it looks like the "preparedContext.olapContexts" may have null values
but no check.
郭锋 <[email protected]> 于2018年10月12日周五 下午3:52写道：
你好：
我们用的是apache-kylin-2.5.0-bin-cdh60.tar.gz
------------------
郭锋
百乘金科/金蛋分期/技术部/数据开发组
北京市朝阳区北辰世纪中心B座17层
------------------ Original ------------------
From: "Lijun Cao"<[email protected]>;
Date: Fri, Oct 12, 2018 03:51 PM
To: "user"<[email protected]>;
Subject: Re: 【kylin2.5.0】 NullPointerException
Hi 郭锋:
Which edition of Kylin 2.5 do you use ?
The apache-kylin-2.5.0-bin-cdh57.tar.gz one or the
apache-kylin-2.5.0-bin-cdh60.tar.gz one ?
Best Regards
Lijun Cao
在 2018年10月12日，15:35，郭锋 <[email protected]> 写道：
hi all:
Kylin的版本为2.5.0 , 部署在cdh6.0.0 上，
当向kylin发送查询语句时，服务器端出现NullPointerException， 发送的查询语句及kylin的日志信息见附件；
请问，这个是什么问题，怎么解决？
谢谢
<[email protected]>
<[email protected]><x.rar><kylin参数请求异常信息.txt>
--
Best regards,
Shaofeng Shi 史少锋
