I’ve got the same issue with an Vaadin 8.3.0. Entries appear in the spring_session and spring_session_attributes table as expected, but vaadin throws a “communication error” on every click.
Edit: Issue also reproducible with 8.4.x and 8.5.1 vaadin.
Curiously, it only sets the cookie SESSION, but not the cookie JSESSIONID which it does if i have the “org.springframework.session:spring-session-jdbc” artifact removed. Since I’m totally new to Vaadin, perhaps someone can shed some light on the issue?
Thats what ?debug prints for me:
2701ms Starting application ROOT-2521314
2709ms Using theme: amhome
2711ms Vaadin application servlet version: 8.3.0
2725ms Setting hearbeat interval to 300sec.
2735ms JSON parsing took 3.2ms
2739ms Handling message from server
2742ms * Handling resources from server
2744ms * Handling type inheritance map from server
2748ms Handling type mappings from server
2752ms Handling resource dependencies
2754ms * Handling meta information
2758ms * Creating connectors (if needed)
2789ms Using Translate3DPosition for position
2895ms * Updating connector states
2984ms * Handling locales
2986ms * Updating connector hierarchy
3009ms * Sending hierarchy change events
3175ms * Running @DelegateToWidget
3189ms * Sending state change events
3464ms * Passing UIDL to Vaadin 6 style connectors
3469ms VMenuItem constructor
3470ms * Performing server to client RPC calls
3472ms Server to client RPC call: 21:com.vaadin.shared.data.DataCommunicatorClientRpc.reset([20]
)
3516ms Server to client RPC call: 21:com.vaadin.shared.data.DataCommunicatorClientRpc.setData([0, [object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
,[object Object]
])
3564ms * Unregistered 0 connectors
3566ms handleUIDLMessage: 811 ms
3568ms Starting layout phase
3636ms Measured 3 non connector elements
3693ms Pass 1 measured 152 elements, fired 0 listeners and did 2 layouts.
3701ms Pass 2 measured 16 elements, fired 0 listeners and did 1 layouts.
3703ms Did overflow fix for 1 elements
3706ms Pass 3 measured 3 elements, fired 0 listeners and did 1 layouts.
3707ms Pass 4 measured 1 elements, fired 0 listeners and did 0 layouts.
3709ms Did overflow fix for 1 elements
3711ms Pass 5 measured 1 elements, fired 0 listeners and did 0 layouts.
3712ms No more changes in pass 6
3713ms Total layout phase time: 145ms
3714ms * Dumping state changes to the console
3714ms UIDL: undefined
4009ms First response processed 5552 ms after fetchStart
4010ms Processing time was 1270ms
4010ms Referenced paintables: 350
5055ms Starting layout phase
5076ms Measured 3 non connector elements
5200ms Pass 1 measured 414 elements, fired 0 listeners and did 1 layouts.
5204ms Pass 2 measured 2 elements, fired 0 listeners and did 1 layouts.
5206ms Pass 3 measured 1 elements, fired 0 listeners and did 0 layouts.
5208ms Did overflow fix for 1 elements
5211ms Pass 4 measured 1 elements, fired 0 listeners and did 0 layouts.
5211ms No more changes in pass 5
5212ms Total layout phase time: 156ms
6081ms Establishing push connection
6088ms RPC invocations to be sent to the server:
6089ms 0 (class com.vaadin.client.ui.ui.UIConnector) :
6089ms com.vaadin.shared.ui.ui.UIServerRpc.resize([1903, 866, 1903, 866]
)
6094ms Sending xhr message to server: {"csrfToken":"799ab926-36a7-4968-8065-9ab4bc6ad074","rpc":[["0","com.vaadin.shared.ui.ui.UIServerRpc","resize",[1903,866,1903,866]
]],"syncId":0,"clientId":0,"wsver":"8.3.0"}
6117ms Starting layout phase
6142ms Measured 3 non connector elements
6157ms Pass 1 measured 20 elements, fired 0 listeners and did 0 layouts.
6158ms No more changes in pass 2
6160ms Total layout phase time: 41ms
6166ms Server visit took 73.6ms
6167ms JSON parsing took 0.1ms
6168ms Received xhr message: for(;;);[{"changes":{},"resources":{},"locales":{},"meta":{"appError":{"caption":"Communication problem","url":null,"message":"Take note of any unsaved data, and <u>click here</u> or press ESC to continue.","details":null}},"syncId":-1}]
6170ms Response didn't contain a server id. Please verify that the server is up-to-date and that the response data has not been modified in transmission.
6170ms Handling message from server
6171ms * Handling resources from server
6173ms * Handling type inheritance map from server
6173ms Handling type mappings from server
6173ms Handling resource dependencies
6175ms * Handling meta information
6176ms * Creating connectors (if needed)
6176ms * Updating connector states
6176ms * Handling locales
6177ms * Updating connector hierarchy
6178ms * Running @DelegateToWidget
6178ms * Sending state change events
6178ms * Passing UIDL to Vaadin 6 style connectors
6182ms * Unregistered 0 connectors
6182ms handleUIDLMessage: 6 ms
6183ms Starting layout phase
6188ms Measured 3 non connector elements
6234ms Pass 1 measured 155 elements, fired 0 listeners and did 0 layouts.
6236ms Did overflow fix for 1 elements
6240ms Pass 2 measured 5 elements, fired 0 listeners and did 1 layouts.
6242ms Did overflow fix for 1 elements
6245ms Pass 3 measured 4 elements, fired 0 listeners and did 1 layouts.
6247ms Pass 4 measured 1 elements, fired 0 listeners and did 0 layouts.
6248ms Did overflow fix for 1 elements
6253ms Pass 5 measured 1 elements, fired 0 listeners and did 0 layouts.
6253ms No more changes in pass 6
6255ms Total layout phase time: 71ms
6255ms * Dumping state changes to the console
6256ms UIDL: undefined
6267ms Setting hearbeat interval to -1sec.
6267ms Processing time was 97ms
6268ms Referenced paintables: 350
6787ms JSON parsing took 0ms
6787ms Received push (undefined) message: for(;;);[{"changes":{},"resources":{},"locales":{},"meta":{"appError":{"caption":"Communication problem","url":null,"message":"Take note of any unsaved data, and <u>click here</u> or press ESC to continue.","details":null}},"syncId":-1}]
6788ms Response didn't contain a server id. Please verify that the server is up-to-date and that the response data has not been modified in transmission.
6788ms Ignored received message because application has already been stopped
And the console is filled with:
2018-08-09 15:48:29.996 WARN 37968 --- [nio-443-exec-10]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.000 WARN 37968 --- [-nio-443-exec-2]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.005 WARN 37968 --- [-nio-443-exec-9]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.005 WARN 37968 --- [-nio-443-exec-5]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.005 WARN 37968 --- [-nio-443-exec-7]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.037 WARN 37968 --- [-nio-443-exec-3]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.045 WARN 37968 --- [-nio-443-exec-1]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.045 WARN 37968 --- [-nio-443-exec-4]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.060 WARN 37968 --- [-nio-443-exec-6]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.062 WARN 37968 --- [-nio-443-exec-8]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.062 WARN 37968 --- [nio-443-exec-10]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.084 WARN 37968 --- [-nio-443-exec-2]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.097 WARN 37968 --- [-nio-443-exec-7]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.097 WARN 37968 --- [-nio-443-exec-5]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.139 WARN 37968 --- [-nio-443-exec-7]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.152 WARN 37968 --- [-nio-443-exec-1]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.152 WARN 37968 --- [-nio-443-exec-3]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.156 WARN 37968 --- [-nio-443-exec-4]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0
2018-08-09 15:48:30.158 WARN 37968 --- [-nio-443-exec-8]
c.v.server.ConnectorResourceHandler : Ignoring connector request for no-existent root 0