Set up multinode with postgres/postgis

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Set up multinode with postgres/postgis

Heng, Jiabin - ARS
Hi there,

We recently started to explore using multimode and were having problems with the spatial index in PostGIS database. I am wondering if anyone had the same problem or know what is wrong.

I followed user manual and manually registered the node

<beans default-lazy-init="true"
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:context="http://www.springframework.org/schema/context">

    <import resource="classpath*:/config-spring-geonetwork.xml"/>
    <import resource="../config-db/database_migration.xml"/>

    <context:property-override properties-ref="newnode-configuration-overrides" />

    <bean id="nodeInfo" class="org.fao.geonet.NodeInfo">
        <property name="id" value="newnode" />
        <property name="defaultNode" value="false" />
    </bean>

   <bean id="newnode-configuration-overrides"
        class="org.springframework.beans.factory.config.PropertiesFactoryBean">
        <property name="properties">
            <props>
                <prop key="jdbcDataSource.username">username</prop>
                <prop key="jdbcDataSource.password">password</prop>
                <prop key="jdbcDataSource.maxActive">10</prop>
                <prop key="jdbcDataSource.maxIdle">10</prop>
                <prop key="jdbcDataSource.initialSize">10</prop>
                <prop key="jdbcDataSource.Url">jdbc:postgresql_postGIS://localhost:5432/geonetwork_newnode</prop>
            </props>
        </property>
    </bean>

    <import resource="../config-db/postgres-postgis.xml"/>
</beans>

I have different databases ready
Node

Database

srv

geonetwork

newnode

geonetwork_newnode


After restart geonetwork (version 3.4.2), the new node is running and 60 tables were created in the new database (geonetwork_newnode), but I didn't find the "spatialindex" table.  After spending a lot of time trying to figure out why "spatialindex" was not created in the new database, I finally discovered that the new node is also writing spatial index into the "spatialindex" table in the database for "srv" node (geonetwork DB). Every time a new record is imported on "newnode", it is inserted into "public.metadata" table in geonetwork_newnode DB, but spatial index goes to "public.spatialindex" table in geonetwork DB.

I tried to delete a record on "newnode" to see if its spatial index will be removed from the "srv" database, but found that I couldn't delete any records on "newnode" (while the default "srv" node is working fine), delete request returns 400.
DELETE http://localhost:8080/geonetwork/newnode/api/records/124

Response:
{"message":"ObjectOptimisticLockingFailureException","code":"runtime_exception","description":"Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1; nested exception is org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1"}

This may be related to the misplaced spatial index, but I am not sure.
If anyone has any ideas about this issue, we would greatly appreciate it.

Best,

Jiabin Heng
Geospatial Information Specialist
Email: [hidden email]<mailto:[hidden email]>





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