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Author: Simo

Message: Hive Schema version 1.2.0 and Metastore Architecture 2.1.0 Does Metastore do not upgrade or damage

Environment: spark2.11 hive2.2 hadoop2.8.2

The hive shell runs successfully! There are no errors or warnings with hava.
But when running application.sh, the startup fails

/usr/local/spa

October 12, 2021By Simo Hadoop 1.2.0, 2.1.0, architecture, Damage, hive, Messages, Metastore, Mismatch, no, Schema, Upgrade, versionLeave a Comment

NHibernate cloned object and inserted as a new record

Is there a way for NHibernate to clone an existing object (retrieved by nhibernate) and insert it to create a new record instead of updating the current object.

We use it to do some time vers

October 12, 2021By Simo Hibernate and work, cloning, INSERT, New, NHIBERNATE, object, RecordLeave a Comment

Hadoop – Search Specific Text in String – Hive

/google/gmail/inbox
/google/drive/map
/google/apps
/yahoo/news/cricket
/yahoo/mail/
/yahoo/sports
/wiki/ind/jack
/wiki/us/jil I need to get the required page group .If I use hive query to se

October 12, 2021By Simo Hadoop Hadoop, hive, search, specific, string, TextLeave a Comment

NHibernate: Repository Session Management

Currently my repository has 2 constructors. When I call these from my mvc website, I always call the first constructor, thus opening a new session .Should I pass it at the meeting? What should I do

October 12, 2021By Simo Hibernate Library, management, NHIBERNATE, session, storageLeave a Comment

SELECT – NHIBERNATE Queryover Case WHEN Calculation Value

I have been trying to execute the following T-SQL in NHibernate QueryOver, but without success:

SELECT Id, SUM (CASE MyValue WHEN 1 THEN Volume ELSE Volume * -1 END)
FROM MyTable
GROUP BY Id

October 12, 2021By Simo Hibernate Calculation, Case, Column, NHIBERNATE, Queryover, select, valueLeave a Comment

Jetty Run WAR only uses the command line

You can only use the command line to run jetty with only the specified war file and context path.

It’s like:

java -jar $jettyHome/start.jar -Dwar.location=myApp.war -DcontextPath=/myApp

October 12, 2021By Simo Jetty Command Line, jetty, run, Used, WarLeave a Comment

NHibernate query order random

I am trying to write a query that returns randomly sorted results. I found this article Linq Orderby random ThreadSafe for use in ASP.NET gave me some basic clues how to do this. But I get the foll

October 12, 2021By Simo Hibernate inquiry, NHIBERNATE, order, randomLeave a Comment

Hibernate – GRAILS and PostgreSQL do not generate tables

So I have some simple domain classes, I make sure not to use any PostgreSQL (or any other vendor) reserved words. Executing grails schema-export will generate a DDL, when targeting the same When th

October 12, 2021By Simo Hibernate Grails, Hibernate, not born, PostgreSQLLeave a Comment

Hibernate – HQL’With ‘clause in JPQL

From the Hibernate 3.6 documentation:

You may supply extra join conditions using the HQL with keyword. from Cat as cat
left join cat.kittens as kitten
with kitten.bodyWeight> 10.0 Thi

October 12, 2021By Simo Hibernate clause, Hibernate, HQL, JPQL, middleLeave a Comment

How to solve AbstractMethodError in Hibernate 5?

I am trying to use hibernate 5 in Java EE in tomcat 7, and I receive this error:

java .lang.AbstractMethodError
org.hibernate.internal.SessionFactoryImpl.(SessionFactoryImpl.java:278)
org.hib

October 12, 2021By Simo Hibernate AbstractMethodError, Hibernate, How, Medium, SolvedLeave a Comment

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