Hi Eric,
        Thanks for your help~
    I have done what you have told to me , but it seems that it did not 
work..., I found that there are some other script files in chukwa 0.3.0/bin/, 
such as 
dbAdmin.sh , dbSetup.sh, dbLoader.sh and mdl.sh, but they are not in chukwa 
0.4.0. So it confuse me that how and when does chukwa 0.4.0 set up process to 
download data from hdfs to
Mysql database...and I don’t know what should I do next....

regards,
Liuhang 

-----Original Message-----
From: chukwa-user-return-1044-zhangliuhang=ict.ac...@incubator.apache.org 
[mailto:chukwa-user-return-1044-zhangliuhang=ict.ac...@incubator.apache.org] On 
Behalf Of Eric Yang
Sent: 2011年12月12日 15:45
To: [email protected]
Subject: Re: about hicc installation

Hi Liuhang,

You will need to have MySQL Connector/J jar file put into CHUKWA_HOME/lib 
directory, and configure chukwa-env.sh to have:

TODO_CHUKWA_JDBC_DRIVER=com.mysql.jdbc.Driver
TODO_CHUKWA_JDBC_URL_PREFIX=jdbc:mysql://

both properties configured.  In addition, also specify jdbc.conf to have 
cluster name maps to mysql url.  For example,

demo=jdbc:mysql://localhost:3306/test?user=root

Detail instruction is also on Chukwa 0.4 document:

http://incubator.apache.org/chukwa/docs/r0.4.0/admin.html#Set+Up+the+Database

regards,
Eric
On Sun, Dec 11, 2011 at 10:13 PM, zhangliuhang <[email protected]> wrote:
> Hi, Eric,
>        Thanks for your help, I have set up hicc successfully, but I 
> encounter another problem that my database seemed to be nothing, The hicc 
> show me "no data available", I don't know how to download data from the hdfs 
> to mysql, could you help me ?
>
> Liuhang Zhang
>
> -----Original Message-----
> From: 
> chukwa-user-return-1042-zhangliuhang=ict.ac...@incubator.apache.org 
> [mailto:[email protected]
> e.org] On Behalf Of Eric Yang
> Sent: 2011年12月12日 13:10
> To: [email protected]
> Subject: Re: about hicc installation
>
> For HICC, just run it as ./bin/chukwa hicc.  There is no need to deploy it to 
> Tomcat.  Remove it from apache-tomcat webapp directory and stop apache 
> tomcat.  Make sure HADOOP_CONF_DIR is in class path by adding to 
> chukwa-env.sh like this:
>
> export CLASSPATH=${CLASSPATH}:${HADOOP_CONF_DIR}
>
> regards,
> Eric
>
> On Sun, Dec 11, 2011 at 5:18 PM, wang zhihao <[email protected]> wrote:
>> HI Eric
>> I just try to install hicc, but I have encounter some troubles. Follows are 
>> my operations:
>>
>> (1) copy hicc.war to /opt/apache-tomcat-6.0.18/webapps/
>> (2) /chukwa/bin/hicc.sh start
>>
>> but it didn't work,here is the error:
>> java.lang.NullPointerException
>>        at
>> org.apache.hadoop.chukwa.rest.resource.ViewResource.getView(ViewResou
>> r
>> ce.java:55)
>>
>> Finally I found that it could not load the hadoop configration from 
>> the some files like core-site.xml, could you tell me what should I do to 
>> solve this problem? Or could you show me your install flow about hicc? 
>> Thanks.
>>
>> Regards
>> Zhang liuhang
>
>


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