how to use tephra in the apache phoenix

[sea lovesky]

I already see the url: https://phoenix.apache.org/transactions.html

but I don't know how to install tephra,I need a full example include install tephra ,how to start server and use it together with in phoenix and hbase.

thank you!

[Nitin Motgi]

Hi Sea, 

You can find information you are looking for here : http://tephra.incubator.apache.org/GettingStarted.html. Let us know if you have any more questions. 

Cheers, 

Nitin

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[sea lovesky]

Hi,Nitin

the GettingStarted.html only say that "After the build completes, you will have a full binary distribution of Tephra under the tephra-distribution/target/ directory. Take the tephra-<version>.tar.gz file and install it on your systems."

now I get the tar.gz file but I don't know where this file be install on system. and then how to let it start. 

I have already read the website about apache phoenix and tephra.

I really need your help! thank you.

On Friday, August 26, 2016 at 2:14:19 PM UTC+8, Nitin Motgi wrote:

Hi Sea, 

You can find information you are looking for here : http://tephra.incubator.apache.org/GettingStarted.html. Let us know if you have any more questions. 

Cheers, 

Nitin

On Thu, Aug 25, 2016 at 11:10 PM, sea lovesky <sealov...@gmail.com> wrote:

I already see the url: https://phoenix.apache.org/transactions.html

but I don't know how to install tephra,I need a full example include install tephra ,how to start server and use it together with in phoenix and hbase.

thank you!

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[Poorna Chandra]

Hi Sea,

After Tephra moved over to Apache incubation, the mailing list has changed to d...@tephra.incubator.apache.org. I have replied to your email that was sent to Apache Tephra dev list.

Here is the reply for completeness sake -

Apache Phoenix already includes Apache Tephra jars. There should be no need to install Tephra separately. Did you notice any errors when you tried following the guide at https://phoenix.apache.org/transactions.html?

Also, what version of Phoenix are you using? Transaction support was added only from Phoenix 4.7 onwards.

Thanks,

Poorna.

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[sea lovesky]

Hi Poorna,

  I have find Tephra in the Apache Phoenix,but I try to start it but failed.I will touch with their team to get more help.

  btw,my Phoenix version is 4.8.0 beta.

  Thank you so mush for help!

[sea lovesky]

Hi Poorna,

  One more question,I use "bin/tephra start" to start it ,and check the status by "bin/tephra status" the error is 

checking status

 dead but pid file exists

On Tuesday, August 30, 2016 at 3:55:03 AM UTC+8, poorna wrote:

[Poorna Chandra]

Hi Sea,

Can you take a look at the Tephra log file to see if there are any exceptions in it? 

The default log file location is /tmp/tephra-<user>/tephra-service-<user>-<hostname>.log

Thanks,

Poorna.

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[Sagar Kapare]

Hi Sea,

Tephra server depends on guava 13.0.1

Can you please add guava 13.0.1 jar in classpath before hbase libraries?

I have filed JIRA https://issues.apache.org/jira/browse/TEPHRA-181 to remove the guava 13.0.1 dependencies in Tephra server. Please watch that JIRA for further updates.

Thanks and Regards,

Sagar

On Thu, Sep 1, 2016 at 11:44 PM, sea lovesky <sealov...@gmail.com> wrote:

I find the log, it is like this:

2016-08-30 10:18:03,478 INFO  [main] inmemory.InMemoryTransactionService: Configuring TransactionService, address: 0.0.0.0, port: 15165, threads: 20, io threads: 2, max read buffer (bytes): 16777216

2016-08-30 10:18:03,482 INFO  [main] tephra.TransactionServiceMain: Starting TransactionServiceMain

Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/util/concurrent/Service$Listener

        at org.apache.tephra.distributed.TransactionService.doStart(TransactionService.java:80)

        at com.google.common.util.concurrent.AbstractService.start(AbstractService.java:90)

        at com.google.common.util.concurrent.AbstractService.startAndWait(AbstractService.java:129)

        at org.apache.tephra.TransactionServiceMain.start(TransactionServiceMain.java:118)

        at org.apache.tephra.TransactionServiceMain.doMain(TransactionServiceMain.java:85)

        at org.apache.tephra.TransactionServiceMain.main(TransactionServiceMain.java:49)

Caused by: java.lang.ClassNotFoundException: com.google.common.util.concurrent.Service$Listener

        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

        ... 6 more

2016-08-30 10:18:03,491 INFO  [Thread-0] tephra.TransactionServiceMain: Stopping TransactionServiceMain

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[sea lovesky]

Hi Sagar,

I try to add guava 13.0.1 jar ,it worked, I can start tephra,the status is running. but when I want to make a table to be transactional.it not work.

I was fllow the step of this url :   https://phoenix.apache.org/transactions.html

my test sql:  ALTER TABLE TestTable SET TRANSACTIONAL=true;

got error: Error: ERROR 1079 (44A10): Cannot alter table to be transactional table if transactions are disabled. tableName=TestTable 

maybe I need more help 

[Sagar Kapare]

Bcc-ing tephr...@googlegroups.com

Hi Sea,

It looks like the following property is missing from client site hbase-site.xml. Can you check your configuration again?

<property>

 <name>phoenix.transactions.enabled</name>

 <value>true</value>

</property>

Thanks and Regards,

Sagar

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[sea lovesky]

Hi Sagar,

I have write the property [phoenix.transactions.enabled] in hbase-site.xml

otherwise, I don't know which is the client site and server site in the hbase.

Thanks  for helping

Sea

[Vishal Biradar]

Client side means in your java program where you have written logic and server side means in base-site.xml