Avro exception while executing jmeter - apache-kafka

Question

I have a following schema (.avsc file)
{
"namespace": "com.avaya.mts",
"type": "record",
"name": "MultiTenancyOrgDataMessage",
"fields": [
{
"name": "eventType",
"type": [
"null",
{
"type": "enum",
"name": "TenantMessageType",
"symbols": [
"TENANT_ADDED",
"TENANT_UPDATED",
"TENANT_DELETED"
]
}
],
"doc": "Event type"
},
{
"name": "timestamp",
"type": "long",
"doc": "Timestamp of the operation"
},
{
"name": "tenantId",
"type": "string",
"doc": "Six digit unique tenant identifier"
},
{
"name": "data",
"type": [
"null",
{
"type": "record",
"name": "TenantData",
"fields": [
{
"name": "name",
"type": "string",
"doc": "Tenant name"
},
{
"name": "tenantId",
"type": "string",
"doc": "Six digit unique tenant identifier"
},
{
"name": "loginDomain",
"type": "string",
"doc": "Login domain name"
},
{
"name": "level",
"type": [
"null",
"string"
],
"doc": "OrganizationNode Level"
},
{
"name": "key",
"type": [
"null",
"string"
],
"doc": "String tenant identifier"
},
{
"name": "organizationNodeId",
"type": [
"null",
"string"
],
"doc": "Six digit unique orgnaization node identifier. Same as tenantId"
},
{
"name": "organizationHierarchy",
"type": [
"null",
"string"
],
"doc": "Full hierarchy path of the orgnaization node"
},
{
"name": "features",
"type": [
"null",
"string"
]
},
{
"name": "type",
"type": [
"null",
{
"type": "enum",
"name": "OrganizationNodeType",
"symbols": [
"TENANT",
"DEFAULT"
]
}
],
"doc": "Organization node type to differentiate between tenant and tenant hierarchy node"
},
{
"name": "orgLevels",
"type": [
"null",
{
"type": "array",
"items": {
"type": "record",
"name": "OrgLevel",
"fields": [
{
"name": "name",
"type": "string"
},
{
"name": "position",
"type": "int"
}
]
}
}
],
"doc": "Name of the organization node level"
},
{
"name": "solutionTemplates",
"type": [
"null",
{
"type": "record",
"name": "SolutionTemplate",
"fields": [
{
"name": "templateId",
"type": "string",
"doc": "Six digit unique solution template identifier"
},
{
"name": "name",
"type": "string",
"doc": "Solution template name"
},
{
"name": "description",
"type": [
"null",
"string"
],
"doc": "Solution template description"
}
]
}
],
"doc": "Solution template associated with the organization node"
},
{
"name": "profiles",
"type": [
"null",
{
"type": "array",
"items": {
"type": "record",
"name": "Profile",
"fields": [
{
"name": "profileId",
"type": "string",
"doc": "Six digit unique profile identifier"
},
{
"name": "name",
"type": "string",
"doc": "Profile name"
},
{
"name": "description",
"type": [
"null",
"string"
],
"doc": "Profile description"
}
]
}
}
],
"doc": "Array of the profiles associated with organization node"
},
{
"name": "tenantAttributes",
"type": [
"null",
{
"type": "array",
"items": {
"type": "record",
"name": "TenantAttribute",
"fields": [
{
"name": "name",
"type": "string",
"doc": "Tenant attribute name"
},
{
"name": "value",
"type": "string",
"doc": "Tenant attribute value"
}
]
}
}
],
"doc": "Array of tenant attributes"
},
{
"name": "children",
"type": [
"null",
{
"type": "array",
"items": {
"type": "record",
"name": "OrganizationNode",
"fields": [
{
"name": "name",
"type": [
"null",
"string"
],
"doc": "OrganizationNode name"
},
{
"name": "type",
"type": [
"null",
"OrganizationNodeType"
],
"doc": "OrganizationNode Type"
},
{
"name": "level",
"type": [
"null",
"string"
],
"doc": "OrganizationNode Level"
},
{
"name": "key",
"type": [
"null",
"string"
],
"doc": "Unique string identifier for the organization node"
},
{
"name": "organizationNodeId",
"type": [
"null",
"string"
],
"doc": "Six digit unique identifier for the ornagization node"
},
{
"name": "organizationHierarchy",
"type": [
"null",
"string"
],
"doc": "Full organizationNode hierarchy path"
},
{
"name": "features",
"type": [
"null",
"string"
],
"doc": "This contains the feature details associated with tenants."
},
{
"name": "solutionTemplates",
"type": [
"null",
"SolutionTemplate"
],
"doc": "Solution Template associated with the organization node"
},
{
"name": "profiles",
"type": [
"null",
{
"type": "array",
"items": "Profile"
}
],
"doc": "Array of profiles associated with the organization node"
},
{
"name": "children",
"type": [
"null",
{
"type": "array",
"items": "OrganizationNode"
}
],
"doc": "Child organization nodes"
}
]
}
}
]
},
{
"name": "isDefault",
"type": "boolean",
"doc": "Flag only set to true for the default tenant"
},
{
"name": "parent",
"type": {
"type": "record",
"name": "Parent",
"fields": [
{
"name": "tenantId",
"type": "string",
"doc": "Six digit unique tenant identifier for the parent node"
},
{
"name": "name",
"type": "string",
"doc": "Name of the parent node"
}
]
},
"doc": "Parent Organization Node"
}
]
}
]
}
]
}
And following is my sample json data
{
"eventType": "TENANT_ADDED",
"timestamp": 1442921557056,
"tenantId": "GHIJKL",
"data": {
"name": "bmc",
"type": "TENANT",
"level": "Organization",
"key": "bmc",
"organizationNodeId": "VEKCPC",
"organizationHierarchy": "bmc",
"profiles": [],
"children": [{
"name": "Bangalore",
"type": "DEFAULT",
"level": "Site",
"key": "Bangalore",
"organizationNodeId": "OCNGVJ",
"organizationHierarchy": "bmc/Bangalore",
"features": "Test",
"profiles": [{
"description": "",
"profileId": "MH985X",
"name": "VoiceProfile"
}],
"children": [],
"solutionTemplate": {
"templateId": "FDASGG",
"description": "Solution Template for site Banglore",
"name": "TemplateSiteBanglore"
}
}, {
"name": "Site_Pune",
"type": "DEFAULT",
"level": "Site",
"key": "Site_Pune",
"organizationNodeId": "DUQICJ",
"organizationHierarchy": "bmc/Site_Pune",
"profiles": [],
"children": [],
"solutionTemplate": {
"templateId": "FDASWE",
"description": "Template for site Pune",
"templateName": "Template_Site_Pune"
}
}],
"tenantAttributes": [],
"tenantId": "VEKCPC",
"orgLevels": [{
"name": "Organization",
"position": 1
}, {
"name": "Site",
"position": 2
}, {
"name": "Department",
"position": 3
}, {
"name": "Team",
"position": 4
}],
"loginDomain": "bmc.com",
"parent": {
"tenantId": "HQAYQU",
"name": "Default"
},
"solutionTemplates": {
"templateId": "FDAGSA",
"description": "Template for Tenant",
"templateName": "Template_BMC"
},
"isDefault": false
}
}
While executing my JMeter to generate the avro event in kafka topic, I am getting an error
** Error Section **
2020-03-19 09:23:24,965 INFO o.a.j.e.StandardJMeterEngine: Running the test!
2020-03-19 09:23:24,965 INFO o.a.j.s.SampleEvent: List of sample_variables: []
2020-03-19 09:23:24,966 INFO o.a.j.p.j.s.JavaSampler: Created class: com.gslab.pepper.sampler.PepperBoxKafkaSampler. Uses tearDownTest:
2020-03-19 09:23:24,966 INFO o.a.j.g.u.JMeterMenuBar: setRunning(true, local)
2020-03-19 09:23:25,114 INFO o.a.j.e.StandardJMeterEngine: No enabled thread groups found
2020-03-19 09:23:25,114 INFO o.a.j.e.StandardJMeterEngine: Starting tearDown thread groups
2020-03-19 09:23:25,114 INFO o.a.j.e.StandardJMeterEngine: Starting tearDown ThreadGroup: 1 : CreateTenant
2020-03-19 09:23:25,114 INFO o.a.j.e.StandardJMeterEngine: Starting 1 threads for group CreateTenant.
2020-03-19 09:23:25,114 INFO o.a.j.e.StandardJMeterEngine: Thread will continue on error
2020-03-19 09:23:25,115 INFO o.a.j.t.ThreadGroup: Starting thread group... number=1 threads=1 ramp-up=1 delayedStart=false
2020-03-19 09:23:25,115 INFO o.a.j.t.ThreadGroup: Started thread group number 1
2020-03-19 09:23:25,116 INFO o.a.j.t.JMeterThread: Thread started: CreateTenant 1-1
2020-03-19 09:23:25,530 ERROR o.a.j.t.JMeterThread: Test failed!
org.apache.avro.AvroTypeException: Expected start-union. Got VALUE_STRING
at org.apache.avro.io.JsonDecoder.error(JsonDecoder.java:514) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.io.JsonDecoder.readIndex(JsonDecoder.java:433) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.io.ResolvingDecoder.readIndex(ResolvingDecoder.java:282) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.generic.GenericDatumReader.readWithoutConversion(GenericDatumReader.java:178) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:151) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.generic.GenericDatumReader.readField(GenericDatumReader.java:248) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:237) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.generic.GenericDatumReader.readWithoutConversion(GenericDatumReader.java:170) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:151) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:144) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at com.gslab.pepper.loadgen.impl.AvroSchemaLoadGenerator.nextMessage(AvroSchemaLoadGenerator.java:79) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at com.gslab.pepper.config.avroschema.AvroSchemaConfigElement.iterationStart(AvroSchemaConfigElement.java:67) ~[pepper-box-0.0.1-SNAPSHOT.jar:?]
at org.apache.jmeter.control.GenericController.fireIterationStart(GenericController.java:399) ~[ApacheJMeter_core.jar:5.2.1]
at org.apache.jmeter.control.GenericController.fireIterEvents(GenericController.java:391) ~[ApacheJMeter_core.jar:5.2.1]
at org.apache.jmeter.control.GenericController.next(GenericController.java:160) ~[ApacheJMeter_core.jar:5.2.1]
at org.apache.jmeter.control.LoopController.next(LoopController.java:135) ~[ApacheJMeter_core.jar:5.2.1]
at org.apache.jmeter.threads.AbstractThreadGroup.next(AbstractThreadGroup.java:92) ~[ApacheJMeter_core.jar:5.2.1]
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:255) [ApacheJMeter_core.jar:5.2.1]
at java.lang.Thread.run(Thread.java:834) [?:?]
2020-03-19 09:23:25,530 INFO o.a.j.t.JMeterThread: Thread finished: CreateTenant 1-1
2020-03-19 09:23:25,531 INFO o.a.j.e.StandardJMeterEngine: Notifying test listeners of end of test
2020-03-19 09:23:25,531 INFO o.a.j.g.u.JMeterMenuBar: setRunning(false, local)
Can someone please explain why exactly am I getting the error?