Merge pull request #982 from zalando/revert-963-ARUHA-1952

Revert hikari db pool

build.gradle

@@ -118,10 +118,7 @@ dependencies {
     compile 'org.zalando.zmon:zmon-actuator:0.9.8'
 
     // storage
-    compile ('org.springframework.boot:spring-boot-starter-jdbc') {
-        exclude module: "tomcat-jdbc"
-    }
-    compile 'com.zaxxer:HikariCP:3.2.0'
+    compile "org.springframework.boot:spring-boot-starter-jdbc"
     compile 'org.postgresql:postgresql:42.2.5'
 
     compile 'org.springframework.cloud:spring-cloud-starter-hystrix:1.4.5.RELEASE'

src/main/resources/application.yml

@@ -12,11 +12,18 @@ spring:
     url: jdbc:postgresql://localhost:5432/local_nakadi_db
     username: nakadi
     password: nakadi
-    type: com.zaxxer.hikari.HikariDataSource
-    hikari:
-      connectionTimeout: 2000
-      minimumIdle: 1
-      maximumPoolSize: 2
+    driverClassName: org.postgresql.Driver
+    tomcat:
+      initial-size: 2
+      max-active: 2
+      min-idle: 1
+      max-idle: 1
+      test-on-borrow: true
+      validation-query: SELECT 1
+      test-while-idle: true
+      time-between-eviction-runs-millis: 5000
+      min-evictable-idle-time-millis: 60000
+      connection-properties: socketTimeout=2;connectTimeout=2;loginTimeout=2
 
 hystrix.command.default.execution.isolation.strategy: SEMAPHORE
 hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds: 15000