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org.apache.kafka.connect.errors.DataException: Invalid Java object for schema type STRUCT: class java.util.LinkedHashMap
	at org.apache.kafka.connect.data.ConnectSchema.validateValue(ConnectSchema.java:233)
	at org.apache.kafka.connect.data.ConnectSchema.validateValue(ConnectSchema.java:251)
	at org.apache.kafka.connect.data.Struct.put(Struct.java:215)
	at org.apache.kafka.connect.data.Struct.put(Struct.java:204)
	at com.github.jcustenborder.kafka.connect.utils.jackson.StructSerializationModule$Storage.build(StructSerializationModule.java:54)
	at com.github.jcustenborder.kafka.connect.utils.jackson.StructSerializationModule$Deserializer.deserialize(StructSerializationModule.java:122)
	at com.github.jcustenborder.kafka.connect.utils.jackson.StructSerializationModule$Deserializer.deserialize(StructSerializationModule.java:117)
	at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:3454)
	at com.fasterxml.jackson.databind.ObjectMapper.convertValue(ObjectMapper.java:3378)
	at com.github.jcustenborder.kafka.connect.utils.jackson.ValueHelper.value(ValueHelper.java:189)
	at com.github.jcustenborder.kafka.connect.utils.jackson.SourceRecordSerializationModule$Storage.value(SourceRecordSerializationModule.java:53)
	at com.github.jcustenborder.kafka.connect.utils.jackson.SourceRecordSerializationModule$Storage.build(SourceRecordSerializationModule.java:77)
	at com.github.jcustenborder.kafka.connect.utils.jackson.SourceRecordSerializationModule$Deserializer.deserialize(SourceRecordSerializationModule.java:108)
	at com.github.jcustenborder.kafka.connect.utils.jackson.SourceRecordSerializationModule$Deserializer.deserialize(SourceRecordSerializationModule.java:103)
	at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:520)
	at com.fasterxml.jackson.databind.deser.impl.FieldProperty.deserializeAndSet(FieldProperty.java:101)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:258)

[INFO] Writing /Users/jeremy/source/opensource/kafka-connect/kafka-connect-jms/target/docs/info/support.rst
Nov 03, 2017 3:13:48 PM freemarker.log._JULLoggerFactory$JULLogger error
SEVERE: Error executing FreeMarker template
FreeMarker template error:
The following has evaluated to null or missing:
==> model.issueManagement  [in template "support.rst.ftl" at line 11, column 53]

----
Tip: It's the step after the last dot that caused this error, not those before it.
----
Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

----
FTL stack trace ("~" means nesting-related):
	- Failed at: ${model.issueManagement.system}  [in template "support.rst.ftl" at line 11, column 51]
----

Java stack trace (for programmers):
----
freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...]
	at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134)
	at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:80)
	at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:43)
	at freemarker.core.NonHashException.<init>(NonHashException.java:49)
	at freemarker.core.Dot._eval(Dot.java:48)
	at freemarker.core.Expression.eval(Expression.java:81)
	at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:96)
	at freemarker.core.DollarVariable.accept(DollarVariable.java:59)
	at freemarker.core.Environment.visit(Environment.java:327)
	at freemarker.core.Environment.visit(Environment.java:333)
	at freemarker.core.Environment.process(Environment.java:306)
	at freemarker.template.Template.process(Template.java:386)
	at com.github.jcustenborder.kafka.connect.documentation.DocumentationMojo.processTemplate(DocumentationMojo.java:124)
	at com.github.jcustenborder.kafka.connect.documentation.DocumentationMojo.process(DocumentationMojo.java:136)
	at com.github.jcustenborder.kafka.connect.documentation.DocumentationMojo.execute(DocumentationMojo.java:104)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:309)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:194)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:107)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:993)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:345)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:191)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)