Proble while Persisting CQ data in the Java Content Repository | Community
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S
srinuetta
Level 2
October 16, 2015
Solved

Proble while Persisting CQ data in the Java Content Repository

  • October 16, 2015
  • 4 replies
  • 1452 views

Hi All,

While persisting i am getting the below error

Please let me know what is the problem with the code

<h1>Error during include of component '/apps/test/components/page1/templateJCR'</h1><h3>Error Message:</h3><pre>org.apache.sling.api.scripting.ScriptEvaluationException: org.apache.sling.scripting.jsp.jasper.JasperException: Unable to compile class for JSP:An error occurred at line: 8 in the jsp file: /apps/test/components/page1/templateJCR/persist.json.jspcom.adobe.cq1.CustomerService cannot be resolved to a type5: String phone = request.getParameter(&quot;phone&quot;);6: String desc = request.getParameter(&quot;desc&quot;);7:8: com.adobe.cq1.CustomerService cs = sling.getService(com.adobe.cq1.CustomerService.class);9:10: int myPK = cs.injectCustData(first, last, phone, desc) ;11:An error occurred at line: 8 in the jsp file: /apps/test/components/page1/templateJCR/persist.json.jspcom.adobe.cq1.CustomerService cannot be resolved to a type5: String phone = request.getParameter(&quot;phone&quot;);6: String desc = request.getParameter(&quot;desc&quot;);7:8: com.adobe.cq1.CustomerService cs = sling.getService(com.adobe.cq1.CustomerService.class);9:10: int myPK = cs.injectCustData(first, last, phone, desc) ;11:</pre><h3>Processing Info:</h3><table style='font-family: monospace'><tr><td>Page</td><td>=</td><td>/content/test1<td></tr><tr><td>Resource Path</td><td>=</td><td>/content/test1/jcr:content<td></tr><tr><td>Cell</td><td>=</td><td>templateJCR<td></tr><tr><td>Cell Search Path</td><td>=</td><td>templateJCR|page<td></tr><tr><td>Component Path</td><td>=</td><td>/apps/test/components/page1/templateJCR<td></tr></table><h3>Sling Request Progress:</h3>

The Service interface

package com.adobe.cq1;

public interface CustomerService {
    public int injectCustData(String firstName, String lastName, String phone, String desc);

}

The service implemetation

package com.adobe.cq1;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.StringWriter;
import java.util.Iterator;
import java.util.List;
import java.util.ArrayList;

import javax.jcr.Repository;
import javax.jcr.SimpleCredentials;
import javax.jcr.Node;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.apache.jackrabbit.commons.JcrUtils;

import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;

import javax.jcr.RepositoryException;

import org.apache.felix.scr.annotations.Reference;
import org.apache.jackrabbit.commons.JcrUtils;

import javax.jcr.Session;
import javax.jcr.Node;

//Sling Imports
import org.apache.sling.api.resource.ResourceResolverFactory;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.Resource;

//This is a component so it can provide or consume services
@Component
// This component provides the service defined through the interface
@Service
public class CustomerServiceImp implements CustomerService {

    /** Default log. */
    protected final Logger log = LoggerFactory.getLogger(this.getClass());

    // Inject a Sling ResourceResolverFactory
    @Reference
    private ResourceResolverFactory resolverFactory;

    private Session session;

    // Stores customer data in the Adobe CQ JCR

    
    public int injectCustData(String firstName, String lastName, String phone,
            String desc) {
        int num = 0;
        try {
            System.out.println("<<<<<<<<<<<<<<<Coming here>>>>>>>>>>");
            // Invoke the adaptTo method to create a Session
            ResourceResolver resourceResolver = resolverFactory
                    .getAdministrativeResourceResolver(null);
            session = resourceResolver.adaptTo(Session.class);

            // Create a node that represents the root node
            Node root = session.getRootNode();

            // Get the content node in the JCR
            Node content = root.getNode("content");

            // Determine if the content/customer node exists
            Node customerRoot = null;
            int custRec = doesCustExist(content);

            // -1 means that content/customer does not exist
            if (custRec == -1)
                // content/customer does not exist -- create it
                customerRoot = content.addNode("customer",
                        "sling:OrderedFolder");
            else
                // content/customer does exist -- retrieve it
                customerRoot = content.getNode("customer");

            int custId = custRec + 1; // assign a new id to the customer node

            // Store content from the client JSP in the JCR
            Node custNode = customerRoot.addNode("customer" + firstName
                    + lastName + custId, "nt:unstructured");

            // make sure name of node is unique
            custNode.setProperty("id", custId);
            custNode.setProperty("firstName", firstName);
            custNode.setProperty("lastName", lastName);
            custNode.setProperty("address", phone);
            custNode.setProperty("desc", desc);

            // Save the session changes and log out
            session.save();
            session.logout();
            return custId;
        }

        catch (Exception e) {
            log.error("RepositoryException: " + e);
        }
        return 0;
    }

    /*
     * Determines if the content/customer node exists This method returns these
     * values: -1 - if customer does not exist 0 - if content/customer node
     * exists; however, contains no children number - the number of children
     * that the content/customer node contains
     */
    private int doesCustExist(Node content) {
        try {
            int index = 0;
            int childRecs = 0;

            java.lang.Iterable<Node> custNode = JcrUtils.getChildNodes(content,
                    "customer");
            Iterator it = custNode.iterator();

            // only going to be 1 content/customer node if it exists
            if (it.hasNext()) {
                // Count the number of child nodes in content/customer
                Node customerRoot = content.getNode("customer");
                Iterable itCust = JcrUtils.getChildNodes(customerRoot);
                Iterator childNodeIt = itCust.iterator();

                // Count the number of customer child nodes
                while (childNodeIt.hasNext()) {
                    childRecs++;
                    childNodeIt.next();
                }
                return childRecs;
            } else
                return -1; // content/customer does not exist
        } catch (Exception e) {
            log.error("RepositoryException"+e);
        }
        return 0;
    }

}

 

The persisi.json

<%@include file="/libs/foundation/global.jsp"%>
<%@ page import="org.apache.sling.commons.json.io.*,com.adobe.cq1.*" %><%
String first = request.getParameter("first");
String last = request.getParameter("last");
String phone = request.getParameter("phone");
String desc = request.getParameter("desc");
 
com.adobe.cq1.CustomerService cs = sling.getService(com.adobe.cq1.CustomerService.class);
 
int myPK = cs.injectCustData(first, last, phone, desc) ;
 
//Send the data back to the client
JSONWriter writer = new JSONWriter(response.getWriter());
writer.object();
writer.key("pk");
writer.value(myPK);
 
writer.endObject();
%>

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Best answer by Yogesh_Upadhyay
"com.adobe.cq1.CustomerService cannot be resolved to a type"

This usually happen if your service is not exported properly. Check your pom.xml to make sure that you are exporting this service. Also using felix console go to your bundle and see if this service is exported and available to use.

 

Yogesh

4 replies

Yogesh_Upadhyay
Yogesh_UpadhyayAccepted solution
Level 6
October 16, 2015
"com.adobe.cq1.CustomerService cannot be resolved to a type"

This usually happen if your service is not exported properly. Check your pom.xml to make sure that you are exporting this service. Also using felix console go to your bundle and see if this service is exported and available to use.

 

Yogesh

S
srinuettaAuthor
Level 2
October 16, 2015

This service is available in felix console

S
srinuettaAuthor
Level 2
October 16, 2015

please find the pom.xml below

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    
    <groupId>com.day.cq5.test</groupId>
    <artifactId>core</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>bundle</packaging>

    <name>core</name>
    <url>http://maven.apache.org</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.felix</groupId>
                <artifactId>maven-scr-plugin</artifactId>
                <executions>
                    <execution>
                        <id>generate-scr-descriptor</id>
                        <goals>
                            <goal>scr</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                </plugin>
            <plugin>
                <groupId>org.apache.felix</groupId>
                <artifactId>maven-bundle-plugin</artifactId>
                <version>2.5.0</version>
                <extensions>true</extensions>
                <configuration>
                    <instructions>
                        <Export-Package> com.day.cq5.test.*,com.adobe.support.examples.osgi.service.*</Export-Package>
                        <Import-Package>org.osgi.framework;version="1.3.0"</Import-Package>
                    </instructions>
                </configuration>
            </plugin>
        </plugins>
    </build>
    <dependencies>
    
        <dependency>
            <groupId>org.osgi</groupId>
            <artifactId>org.osgi.compendium</artifactId>
            <version>4.2.0</version>
        </dependency>
        <dependency>
            <groupId>org.osgi</groupId>
            <artifactId>org.osgi.core</artifactId>
            <version>4.3.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.felix</groupId>
            <artifactId>org.apache.felix.scr.annotations</artifactId>
            <version>1.9.0</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.6.4</version>
        </dependency>
         
          
        <dependency>
         <groupId>org.apache.felix</groupId>
   
         <artifactId>org.osgi.core</artifactId>
   
         <version>1.4.0</version>
      </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>
        
         <dependency>
             <groupId>javax.jcr</groupId>
             <artifactId>jcr</artifactId>
             <version>2.0</version>
         </dependency>
    
        <dependency>
            <groupId>org.apache.jackrabbit</groupId>
            <artifactId>jackrabbit-core</artifactId>
            <version>2.4.3</version>
        </dependency>
           
        <dependency>
            <groupId>org.apache.jackrabbit</groupId>
            <artifactId>jackrabbit-jcr-commons</artifactId>
            <version>2.4.3</version>
        </dependency>
    
        <dependency>
            <groupId>com.day.cq.wcm</groupId>
            <artifactId>cq-wcm-api</artifactId>
            <version>5.5.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>com.day.cq</groupId>
            <artifactId>cq-commons</artifactId>
            <version>5.5.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.sling</groupId>
            <artifactId>org.apache.sling.api</artifactId>
            <version>2.3.0</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>
    
</project>

S
srinuettaAuthor
Level 2
October 16, 2015

Thanks Yogesh,

It's working now:)

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