Sending data to Apache Kafka Producer
Hi guys, I'm new with the product and would like to know how to send data from a JSON (or other) file into a Kafka Producer. Thanks
View ArticleIssue with MySQL upgrade to 5.6 - 'OPTION SQL_SELECT_LIMIT=1'
We are upgrading to MySQL 5.6 from 5.1.30 to 5.6.18 . When using the Pentaho Ketle for exacting daa we are getting the below error, we tried to upgrade the MySQL connector to 5.1.26 and some others as...
View Articleexception to connect Hive from Pentaho
Hello, I am getting below exception when I try to connect Hive from Pentaho. Hive JDBC: hive-jdbc-0.10.0-cdh4.3.0.jar Connection Type: Hadoop Hive Settings: Host Name: <hostname>.com Database...
View ArticleTransformation Database Transactional
If we are inserting rows into a table and lkping the row that was just inserted. Is this not possible in PDI? Isnt the data not committed to DB after every step? Or should this be done explicitly?
View ArticleTable Component Expand property
Hi, I made a dashboard with two tables that one expand the other. This was OK. The problem is the advanced properties table do not apply for the second table (the expand one, which have details for...
View ArticleChange bar chart minimum
I've got a set of data that is typically between 95-99%; we're wanting to display the data with a bar chart, but since the variations that we're interested in are happening in the last 5%, it is hard...
View ArticleRandom Problem - Error determining value metadata from SQL resultset metadata
Hi Guys, I need help with a problem that has been happening since I upgraded to 5.01A I use mysql to store my repository (Native JDBC). Every night I run a bunch of jobs that are started automatically...
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Dimension lookup of SCD type 2 performing slow while loading RDS table.
Hello all, I am using Pentaho 5.0.1 community edition and I have table input step to read all the data from a local postgres database at the company headquaters and the next step is a dimension...
View ArticleKettle 3.2: Updating specific records in the result set (Execute SQL Script?)
Hi Everyone, Here's what I'm trying to do: I'm querying from a source database and got my result set, below is an example: Field A Field B 1 A 2 B 3 C I want to update the 'A' to 'Andy', that's it, the...
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Pentaho Reporting Video Course
I would like to recommend this excellent video course created by my friend Francesco Corti and officially reviewed by Paul Hernandez and me. http://www.packtpub.com/pentaho-reporting/video Screenshots:...
View ArticleSet default value for a date parameter using a query
Dear all I have a requirement where I need to set the default value for a date parameter. I need to fetch the date value using a query. Is it possible to do this in PRD 3.9.1? Thanks a lot in advance....
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Pentaho BI server error after login..
From Last two week I am facing issue on Pentaho BI server 5.0 Community Edition. when I am start server using Batch file then It will start and shows Home page after login. When I am start server from...
View ArticleGetXMLData XPATH's Current node
Hi! given that the step iterates over a XPATH expression and then fetches a field accoridng to another expression, I'd like to know how can I refer the current node of the iteration instead of the...
View ArticleHow can we cache the result set for PRPT reports
Hi , I have created some PRPT reports and published this to the BA server (not used pentaho dashboards ) I am using Kettle transformation as a data source as there are lot of data transformations...
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Not able to copy files in Hadoop with regular expression
Hi All, Copyfiles.jpg I have a small problem. I am trying to copy files from my local machine to the HDFS using a regular expression. I have specified the following File/Folder Source :...
View ArticleIf ... Else to compare fields
Hi guys, Consider the input data table below - for illustration purposes only: Customer In_Car_Make In_Car_Model 123 Toyota Toyota Prius 456 Toyota Toyota The requirement is to pick the the customer...
View ArticleConvert doughnut chart to semi circular chart.
We can convert pie chart into doughnut chart in CDE by writing extension points.... How can make 360* doughnut chart to 180* chart(i.e., semi circular dough nut chart). No need of start and end points...
View ArticleCustom functions in mdx
Hi. Can i add custom functions into mdx? For example, i want to add statistics functions from R. But I do not know how.
View ArticleError processing component - how to override message?
We are running some line charts against many potential sets of data. In a few uncaught cases, the data set might be empty/invalid. I'm trying to check for errors with the following code in PostFetch:...
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