Author Archives: stevewall123

About stevewall123

I am a Lead Software Engineer in Minneapolis working for Thomson Reuters. I am currently working on projects using Java, JavaScript, Spring, Elasticsearch, Hazelcast, Liquibase and Tomcat. Previously, I used C#, GWT, Grails, Groovy, JMS and JBoss Drools Guvnor. In the past I have worked on projects using J2EE, Swing, Webwork, Hibernate, Spring, Spring-WS, JMS, JUnit and Ant.

Elasticsearch – Ignore special characters in query with pattern replace filter and custom analyzer

Using Elasticsearch 5, we had a field like drivers license number where values may include special characters and inconsistent upper/lower case behavior as the values were entered by the users with limited validation.  For example, these are hypothetical values: CA-123-456-789 … Continue reading

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Elasticsearch 5 Determining if nested field exists

Consider an index with documents such as these, where the team location may or may not be populated: { “status” : “active”, “name” : “Jimmy Chitwood”, “team” : { “name” : “Hickory Huskers”, “location” : “Hickory, Indiana” } } Note … Continue reading

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Elasticsearch deprecation warning: [] sorting by ascending count is deprecated and will be removed in the next major version

I am currently attempting to upgrade from Elasticsearch 2.4.1 to Elasticsearch 5.  While running ES 2.4.1 I turned on deprecation logging and executed the following search  (which was generated by my application): GET publicaccess/cases/_search { “from” : 0, “size” : … Continue reading

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Using Spring to populate Hazelcast Map at Start-up

The application I work on has been using Hazelcast for awhile now, but today we had a new scenario where we wanted to initially populate the Hazelcast Map from a relational database but did not want the our Map to … Continue reading

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Spring Boot Web Application – Starting in Eclipse

I am going through the Spring Boot Getting Started Tutorial and trying to follow the steps in Eclipse (and not STS).  I made it to the end and was thrown off a little by how to “start” it up. I … Continue reading

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Spring Boot Application and Tomcat error: A child container failed during start

I was attempting to create my first Spring Boot web application this afternoon by following the Spring Boot Getting Started Tutorial on, yet attempting to do the steps in Eclipse Luna with Java 8 and an embedded Tomcat 7 server. … Continue reading

Posted in Java 8, Maven, Spring, Spring Boot, Tomcat | Tagged , , , , | 7 Comments

Drupal Superfish Menu is rendering without styles

I am upgrading a Drupal website I administer and decided to install the Superfish module for the first time.  As part of the installation, I also uploaded the to my /sites/all/libraries directory and then extracted all the files.  I then went through … Continue reading

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