https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/YANGTOOLS-67 yangtools <p>... and no data is displayed. The exception is as follows</p> <p>type Exception report</p> <p>message</p> <p>description The server encountered an internal error that prevented it from fulfilling this request.</p> <p>exception</p> <p>java.lang.NullPointerException<br/> com.google.common.base.Joiner.join(Joiner.java:230)<br/> org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec$BitsCodecStringImpl.serialize(TypeDefinitionAwareCodec.java:368)<br/> org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec$BitsCodecStringImpl.serialize(TypeDefinitionAwareCodec.java:358)<br/> org.opendaylight.controller.sal.restconf.impl.RestCodec$ObjectCodec.serialize(RestCodec.java:75)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeValueOfNodeByType(JsonMapper.java:207)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeLeaf(JsonMapper.java:179)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeChildrenOfParent(JsonMapper.java:104)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeList(JsonMapper.java:153)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeChildrenOfParent(JsonMapper.java:92)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeList(JsonMapper.java:158)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.write(JsonMapper.java:58)<br/> org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider.writeTo(StructuredDataToJsonProvider.java:55)<br/> org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider.writeTo(StructuredDataToJsonProvider.java:27)<br/> com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:306)<br/> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1479)<br/> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)<br/> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)<br/> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)<br/> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)<br/> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)<br/> javax.servlet.http.HttpServlet.service(HttpServlet.java:848)<br/> org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:440)<br/> org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:179)<br/> note The full stack trace of the root cause is available in the Apache Tomcat/7.0.32 logs.</p> <p>This is for a previously configured flow. the URL to get the flow is, for example:<br/> <a href="http://192.168.4.192:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/" class="external-link" target="_blank" rel="nofollow noopener">http://192.168.4.192:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/</a></p> <p>Accept header is 'application/json'</p> <p>Operating System: Linux<br/> Platform: Other</p> YANGTOOLS-67

Getting flow config data in json format causes exception

Bug Resolved Done Unassigned Jan Medved Sat, 21 Dec 2013 08:07:50 +0000 Sun, 10 Apr 2022 18:34:56 +0000 Thu, 9 Jan 2014 17:11:03 +0000 0 3 <p>Hi,</p> <p>can you please provide data which you used when mentioned exception was raised.<br/> Thanks</p> <p>Happens with every flow. For example, take the following flow that was programmed into the controller:</p> <p>&lt;?xml version="1.0" encoding="UTF-8" standalone="no"?&gt;<br/> &lt;table <br/> xmlns="urn:opendaylight:flow:inventory"&gt;<br/> &lt;flow&gt;<br/> &lt;strict&gt;false&lt;/strict&gt;<br/> &lt;instructions&gt;<br/> &lt;instruction&gt;<br/> &lt;order&gt;0&lt;/order&gt;<br/> &lt;apply-actions&gt;<br/> &lt;action&gt;<br/> &lt;order&gt;0&lt;/order&gt;<br/> &lt;dec-nw-ttl/&gt;<br/> &lt;/action&gt;<br/> &lt;/apply-actions&gt;<br/> &lt;/instruction&gt;<br/> &lt;/instructions&gt;<br/> &lt;table_id&gt;0&lt;/table_id&gt;<br/> &lt;id&gt;2&lt;/id&gt;<br/> &lt;cookie_mask&gt;255&lt;/cookie_mask&gt;<br/> &lt;out_port&gt;0&lt;/out_port&gt;<br/> &lt;installHw&gt;false&lt;/installHw&gt;<br/> &lt;out_group&gt;2&lt;/out_group&gt;<br/> &lt;match&gt;<br/> &lt;ipv4-destination&gt;10.4.5.6/24&lt;/ipv4-destination&gt;<br/> &lt;ethernet-match&gt;<br/> &lt;ethernet-type&gt;<br/> &lt;type&gt;2048&lt;/type&gt;<br/> &lt;/ethernet-type&gt;<br/> &lt;/ethernet-match&gt;<br/> &lt;/match&gt;<br/> &lt;hard-timeout&gt;0&lt;/hard-timeout&gt;<br/> &lt;flags/&gt;<br/> &lt;cookie&gt;14&lt;/cookie&gt;<br/> &lt;idle-timeout&gt;0&lt;/idle-timeout&gt;<br/> &lt;flow-name&gt;FooXf4&lt;/flow-name&gt;<br/> &lt;priority&gt;1&lt;/priority&gt;<br/> &lt;barrier&gt;false&lt;/barrier&gt;<br/> &lt;/flow&gt;<br/> &lt;/table&gt;</p> <p>The URL for putting the flow was as follows:<br/> <a href="http://192.168.4.1:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/flow/2" class="external-link" target="_blank" rel="nofollow noopener">http://192.168.4.1:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/flow/2</a></p> <p>accept header was application/xml, content header was application/xml</p> <p>The i retrieved the operational content of Table 0. URL was:</p> <p><a href="http://192.168.4.1:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/" class="external-link" target="_blank" rel="nofollow noopener">http://192.168.4.1:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/</a>. With content type application/xml i get:</p> <p>&lt;?xml version="1.0" encoding="UTF-8" standalone="no"?&gt;<br/> &lt;table <br/> xmlns="urn:opendaylight:flow:inventory"&gt;<br/> &lt;flow&gt;<br/> &lt;strict&gt;false&lt;/strict&gt;<br/> &lt;instructions&gt;<br/> &lt;instruction&gt;<br/> &lt;order&gt;0&lt;/order&gt;<br/> &lt;apply-actions&gt;<br/> &lt;action&gt;<br/> &lt;order&gt;0&lt;/order&gt;<br/> &lt;dec-nw-ttl/&gt;<br/> &lt;/action&gt;<br/> &lt;/apply-actions&gt;<br/> &lt;/instruction&gt;<br/> &lt;/instructions&gt;<br/> &lt;table_id&gt;0&lt;/table_id&gt;<br/> &lt;id&gt;2&lt;/id&gt;<br/> &lt;cookie_mask&gt;255&lt;/cookie_mask&gt;<br/> &lt;out_port&gt;0&lt;/out_port&gt;<br/> &lt;installHw&gt;false&lt;/installHw&gt;<br/> &lt;out_group&gt;2&lt;/out_group&gt;<br/> &lt;match&gt;<br/> &lt;ipv4-destination&gt;10.4.5.6/24&lt;/ipv4-destination&gt;<br/> &lt;ethernet-match&gt;<br/> &lt;ethernet-type&gt;<br/> &lt;type&gt;2048&lt;/type&gt;<br/> &lt;/ethernet-type&gt;<br/> &lt;/ethernet-match&gt;<br/> &lt;/match&gt;<br/> &lt;hard-timeout&gt;0&lt;/hard-timeout&gt;<br/> &lt;flags/&gt;<br/> &lt;cookie&gt;14&lt;/cookie&gt;<br/> &lt;idle-timeout&gt;0&lt;/idle-timeout&gt;<br/> &lt;flow-name&gt;FooXf4&lt;/flow-name&gt;<br/> &lt;priority&gt;1&lt;/priority&gt;<br/> &lt;barrier&gt;false&lt;/barrier&gt;<br/> &lt;/flow&gt;<br/> &lt;/table&gt;</p> <p>with content type application/json i get:</p> <p>HTTP Status 500 -</p> <p>type Exception report</p> <p>message</p> <p>description The server encountered an internal error that prevented it from fulfilling this request.</p> <p>exception</p> <p>java.lang.NullPointerException<br/> com.google.common.base.Joiner.join(Joiner.java:230)<br/> org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec$BitsCodecStringImpl.serialize(TypeDefinitionAwareCodec.java:368)<br/> org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec$BitsCodecStringImpl.serialize(TypeDefinitionAwareCodec.java:358)<br/> org.opendaylight.controller.sal.restconf.impl.RestCodec$ObjectCodec.serialize(RestCodec.java:75)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeValueOfNodeByType(JsonMapper.java:207)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeLeaf(JsonMapper.java:179)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeChildrenOfParent(JsonMapper.java:104)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeList(JsonMapper.java:153)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeChildrenOfParent(JsonMapper.java:92)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.writeList(JsonMapper.java:158)<br/> org.opendaylight.controller.sal.rest.impl.JsonMapper.write(JsonMapper.java:58)<br/> org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider.writeTo(StructuredDataToJsonProvider.java:55)<br/> org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider.writeTo(StructuredDataToJsonProvider.java:27)<br/> com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:306)<br/> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1479)<br/> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)<br/> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)<br/> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)<br/> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)<br/> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)<br/> javax.servlet.http.HttpServlet.service(HttpServlet.java:848)<br/> org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:440)<br/> org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:179)<br/> note The full stack trace of the root cause is available in the Apache Tomcat/7.0.32 logs.</p> <p>Sending the logs to you in email, it's too long to attach...</p> <p>Try to replace &lt;flags/&gt; with &lt;flags&gt;&lt;/flags&gt;.</p> <p>Fixed in <a href="https://git.opendaylight.org/gerrit/#/c/4065/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/4065/</a>.<br/> Bug was caused in YANGtools implementation of bit codec.</p> Development External issue ID 258 External issue URL Rank 0|i024xr: