我试图在IBM Hyperledger插件上为Visual Studio Code部署演示教程。几周前我没有问题，但是当再次尝试时，我面临将错误粘贴到下面的问题（尝试实例化智能合约时会出现错误）。我没有对教程中的代码进行任何更改，并且还尝试使用自己的Java智能合约。
我也试图将Fabric版本更新为1.4.3，同样的错误。
[11/26/2019 11:19:24 AM] [INFO] cool_lumiere|Gradle build
[11/26/2019 11:19:27 AM] [INFO] cool_lumiere|Starting a Gradle Daemon,1 incompatible and 1 stopped daemons could not be reused,use --status for details
[11/26/2019 11:19:42 AM] [INFO] cool_lumiere|:compileJava
[11/26/2019 11:19:42 AM] [INFO] cool_lumiere|Download https://repo.maven.apache.org/maven2/org/hyperledger/fabric-chaincode-java/fabric-chaincode-shim/1.4.2/fabric-chaincode-shim-1.4.2.pom
[11/26/2019 11:19:42 AM] [INFO] cool_lumiere|Download https://repo.maven.apache.org/maven2/org/hyperledger/fabric-chaincode-java/fabric-chaincode-protos/1.4.2/fabric-chaincode-protos-1.4.2.pom
[11/26/2019 11:19:42 AM] [INFO] cool_lumiere|Download https://repo.maven.apache.org/maven2/io/grpc/grpc-core/maven-metadata.xml
[11/26/2019 11:19:44 AM] [INFO] cool_lumiere|Download https://repo.maven.apache.org/maven2/io/netty/netty-codec-http2/maven-metadata.xml
[11/26/2019 11:19:45 AM] [INFO] cool_lumiere|Download https://repo.maven.apache.org/maven2/org/hyperledger/fabric-chaincode-java/fabric-chaincode-shim/1.4.2/fabric-chaincode-shim-1.4.2.jar
[11/26/2019 11:19:45 AM] [INFO] cool_lumiere|Download https://repo.maven.apache.org/maven2/org/hyperledger/fabric-chaincode-java/fabric-chaincode-protos/1.4.2/fabric-chaincode-protos-1.4.2.jar
[11/26/2019 11:19:49 AM] [INFO] cool_lumiere|:processResources NO-SOURCE
[11/26/2019 11:19:49 AM] [INFO] cool_lumiere|:classes
[11/26/2019 11:19:49 AM] [INFO] cool_lumiere|:jar
[11/26/2019 11:19:49 AM] [INFO] cool_lumiere|:assemble
[11/26/2019 11:19:49 AM] [INFO] cool_lumiere|:check
[11/26/2019 11:19:49 AM] [INFO] cool_lumiere|:build
[11/26/2019 11:19:55 AM] [INFO] cool_lumiere|:shadowJar
[11/26/2019 11:19:55 AM] [INFO] cool_lumiere|
[11/26/2019 11:19:55 AM] [INFO] cool_lumiere|BUILD SUCCESSFUL in 30s
[11/26/2019 11:19:55 AM] [INFO] cool_lumiere|3 actionable tasks: 3 executed
[11/26/2019 11:20:01 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:01:963 INFO java.util.logging.LogManager$RootLogger log Updated all handlers the format
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:083 INFO org.hyperledger.fabric.contract.routing.impl.RoutingRegistryImpl findAndSetContr Searching chaincode class in urls: [file:/root/chaincode-java/chaincode/chaincode.jar,file:/root/chaincode-java/chaincode/chaincode.jar]
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:155 INFO org.hyperledger.fabric.contract.routing.impl.RoutingRegistryImpl findAndSetContr Found class: org.example.MyAssetContract
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:187 INFO org.hyperledger.fabric.contract.routing.impl.ContractDefinitionImpl <init> Found class: org.example.MyAssetContract
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:202 INFO org.hyperledger.fabric.contract.routing.impl.RoutingRegistryImpl findAndSetContr Found class: org.hyperledger.fabric.contract.systemcontract.SystemContract
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:206 INFO org.hyperledger.fabric.contract.routing.impl.ContractDefinitionImpl <init> Found class: org.hyperledger.fabric.contract.systemcontract.SystemContract
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:212 INFO org.hyperledger.fabric.contract.routing.impl.RoutingRegistryImpl findAndSetContr Looking for the data types
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:222 INFO org.hyperledger.fabric.contract.routing.impl.RoutingRegistryImpl findAndSetContr found 1
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:238 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul email MyAsset@example.com
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:240 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul name MyAsset
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:244 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul url http://MyAsset.me
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:251 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul url
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:255 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul email
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:257 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul name
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:259 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul url
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:263 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul url
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:267 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul email MyAsset@example.com
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:271 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul name MyAsset
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:275 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul url http://MyAsset.me
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:278 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder$MetadataMap putIfNotNul url
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:306 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder initialize Validating scehma created
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|10:20:04:308 INFO org.hyperledger.fabric.contract.metadata.MetadataBuilder validate Running schema test validation
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1|Exception in thread "main" org.everit.json.schema.SchemaException: A JSONObject text must begin with '{' at 1 [character 2 line 1]
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.JsonPointerEvaluator.executeWith(JsonPointerEvaluator.java:91)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.JsonPointerEvaluator.lambda$forURL$1(JsonPointerEvaluator.java:121)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.JsonPointerEvaluator.query(JsonPointerEvaluator.java:151)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.ReferenceLookup.lookup(ReferenceLookup.java:173)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.ReferenceSchemaExtractor.extract(SchemaExtractor.java:193)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.AbstractSchemaExtractor.extract(SchemaExtractor.java:113)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.SchemaLoader.runSchemaExtractors(SchemaLoader.java:383)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.SchemaLoader.loadSchemaObject(SchemaLoader.java:360)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.JsonValue$Multiplexer.requireAny(JsonValue.java:46)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.SchemaLoader.load(SchemaLoader.java:434)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.SchemaLoader.loadChild(SchemaLoader.java:438)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.ObjectSchemaLoader.addPropertySchemaDefinition(ObjectSchemaLoader.java:70)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.ObjectSchemaLoader.lambda$populatePropertySchemas$9(ObjectSchemaLoader.java:64)
[11/26/2019 11:20:04 AM] [INFO] fabricvscodelocalfabric-peer0.org1.example.com-demoContract-0.0.1| at org.everit.json.schema.loader.JsonObject.iterateonEntry(JsonObject.java:84)
[11/26/20