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Happens with every flow. For example, take the following flow that was programmed into the controller:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<table
xmlns="urn:opendaylight:flow:inventory">
<flow>
<strict>false</strict>
<instructions>
<instruction>
<order>0</order>
<apply-actions>
<action>
<order>0</order>
<dec-nw-ttl/>
</action>
</apply-actions>
</instruction>
</instructions>
<table_id>0</table_id>
<id>2</id>
<cookie_mask>255</cookie_mask>
<out_port>0</out_port>
<installHw>false</installHw>
<out_group>2</out_group>
<match>
<ipv4-destination>10.4.5.6/24</ipv4-destination>
<ethernet-match>
<ethernet-type>
<type>2048</type>
</ethernet-type>
</ethernet-match>
</match>
<hard-timeout>0</hard-timeout>
<flags/>
<cookie>14</cookie>
<idle-timeout>0</idle-timeout>
<flow-name>FooXf4</flow-name>
<priority>1</priority>
<barrier>false</barrier>
</flow>
</table>
The URL for putting the flow was as follows:
http://192.168.4.1:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/flow/2
accept header was application/xml, content header was application/xml
The i retrieved the operational content of Table 0. URL was:
http://192.168.4.1:8080/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/. With content type application/xml i get:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<table
xmlns="urn:opendaylight:flow:inventory">
<flow>
<strict>false</strict>
<instructions>
<instruction>
<order>0</order>
<apply-actions>
<action>
<order>0</order>
<dec-nw-ttl/>
</action>
</apply-actions>
</instruction>
</instructions>
<table_id>0</table_id>
<id>2</id>
<cookie_mask>255</cookie_mask>
<out_port>0</out_port>
<installHw>false</installHw>
<out_group>2</out_group>
<match>
<ipv4-destination>10.4.5.6/24</ipv4-destination>
<ethernet-match>
<ethernet-type>
<type>2048</type>
</ethernet-type>
</ethernet-match>
</match>
<hard-timeout>0</hard-timeout>
<flags/>
<cookie>14</cookie>
<idle-timeout>0</idle-timeout>
<flow-name>FooXf4</flow-name>
<priority>1</priority>
<barrier>false</barrier>
</flow>
</table>
with content type application/json i get:
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error that prevented it from fulfilling this request.
exception
java.lang.NullPointerException
com.google.common.base.Joiner.join(Joiner.java:230)
org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec$BitsCodecStringImpl.serialize(TypeDefinitionAwareCodec.java:368)
org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec$BitsCodecStringImpl.serialize(TypeDefinitionAwareCodec.java:358)
org.opendaylight.controller.sal.restconf.impl.RestCodec$ObjectCodec.serialize(RestCodec.java:75)
org.opendaylight.controller.sal.rest.impl.JsonMapper.writeValueOfNodeByType(JsonMapper.java:207)
org.opendaylight.controller.sal.rest.impl.JsonMapper.writeLeaf(JsonMapper.java:179)
org.opendaylight.controller.sal.rest.impl.JsonMapper.writeChildrenOfParent(JsonMapper.java:104)
org.opendaylight.controller.sal.rest.impl.JsonMapper.writeList(JsonMapper.java:153)
org.opendaylight.controller.sal.rest.impl.JsonMapper.writeChildrenOfParent(JsonMapper.java:92)
org.opendaylight.controller.sal.rest.impl.JsonMapper.writeList(JsonMapper.java:158)
org.opendaylight.controller.sal.rest.impl.JsonMapper.write(JsonMapper.java:58)
org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider.writeTo(StructuredDataToJsonProvider.java:55)
org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider.writeTo(StructuredDataToJsonProvider.java:27)
com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:306)
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1479)
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)
com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)
javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:440)
org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:179)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.32 logs.
Sending the logs to you in email, it's too long to attach...
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