Shards in Elastic Search- When we have a large number of documents, we may come to a point where a single node may not be enough—for example, because of RAM limitations, hard disk capacity, insufficient processing power, and inability to respond to client requests fast enough. In such a case, data can be divided into […]

Elastic Search Index- What is that? Answer will not be as simple as sound. In layman language- An index is a data structure for storing the mapping of fields to the corresponding documents. The objective is to allow faster searches, often at the expense of increased memory usage and preprocessing time. Till now developers have […]

ElasticSearch is an Open Source (Apache 2), Distributed Search Engine built on top of Apache Lucene. Elasticsearch is a NOSQL, distributed full text database. Which means that this database is document based instead of using tables or schema, we use documents. Elasticsearch is much more than just Lucene and much more than “just” full text search. […]

Hi All, In webcenter portal, if you seeing this error in the log as below Response: ‘401: Unauthorized’ for url: ‘http://host:port/wcsdocs/_vti_bin/lists.asmx?WSDL’ at at at at at at at at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke( This is really annoying. You can fix by adding a startup parameters as -Dwebcenter.spaces.disableAutoConfigure […]

Asset development with webcenter portal 12c Happy learning with Vinay

Hi All, File upload in Oracle ADF is done with af:inputFile component. To implement file upload functionality, follow the below steps: 1. add af:inputFile component to the form. 2. set usesUpload property of the af:form element to true. 3. create binding of inputFile and its valueChangeListener in managed bean. 4. write code to implement file […]

This article provides information about different ways on taking java thread dumps in a WebLogic Server environment. Thread dumps are essential diagnosis information used to analyze and troubleshoot performance related issues such as server hangs, deadlocks, slow running, idle or stuck applications, slow database interactions etc… Different ways to take thread dumps in WebLogic Server […]

If you want to use URL parameters in ADF use below code. In JSF view use this el In java you can use JSF util class I am using JSFUtils resolveexpression method here. Happy learning…

Quick Tip – If you are search component in region by javascript then follow code below or And if you are searching component through java then follow this blog entry by Edwin Happy learning with Vinay

In my previous article , I talked about JWT introduction and how it works. There are multiple libraries by which you can implement JWT in Java. 1. Java JWT: JSON Web Token for Java and Android Installation Use your favorite Maven-compatible build tool to pull the dependency (and its transitive dependencies) from Maven Central: Maven: […]